the effect of temperature on a tennis ball experimentthe effect of temperature on a tennis ball experiment
As such, the energy inside the ball increases, and the molecules start bouncing around more erratically. A residual analysis was next completed for the liner regression. Retrieved 8 24, 2012, from ITF Tennis: http://www.itftennis.com/technical/equipment/balls/history.asp, Sheehan, K. (2011, March 11). As a result, a cold ball has a much lower bounce. A string was inserted inside clear perspex tube with two open ends and through a small hole in a rubber stopper at each end of the tube. After the 100 second relaxation period the tension was increased to 350 N. Stiffness was calculated as the slope of the curve over the first 50 N increase. Page #10 . With an increase in the temperature, the gas molecules within the tennis ball start to expand. Even amateur players consider the effects important enough to open a new can every couple of days. As a result, a cold ball has a much lower bounce. Web. But because stress relaxation occurs at varying rates both before and after achievement of target tension, the magnitude of tension loss during the relaxation period (i.e., after the racquet has been strung) does not necessarily correlate to the total relaxation that has occurred nor to the final stiffness of the string. (Sheehan, 2011)On impact, the gas will be caused to move toward the ground. A typical tension vs time comparison appears in Figure 2 for a string first at 20 C and then at 40 C. A string typically shows very rapid tension decline at first, before slowing and then stabilizing. In this experiment, one will put the tennis ball at four different temperaturesroom, freezing, hot, and cold. It is the other way around for polyester the 20 string loses more tension than the 40 string. For the heating during the tension loss phase, the starting temperature was 20 C. Tension was increased to 28 kg and 200 seconds were allowed to pass. Record the temperature on the thermometer. Method: 1. Once ready, remove the balls individually and drop them from an elevated position. Figure 10 Closeup of elongation vs temperature for each nylon and polyester string. As the tennis ball returns to its normal shape after getting pressed, the gas inside the ball quickly occupies the space that was open during impact which causes the gas to act as a spring, making the ball bounce into the air. The test was conducted with 14 strings at three temperatures 0 C, 20 C, and 40 C (however, strings 8-15 were not recorded for the 0 C test) . Then they would be dropped from a table, and the height would be measured. Thank you, this explanation was very concise and helpful. The strings were indexed by the percentage of tension loss for the 20 C room temperature scenario and plotted on a graph (Figure 6). (Wikipedia, 2012)From the 18th century, tennis balls were formed by wounding strips of wool around a nucleus made by rolling strips into a tiny ball. We can zoom in on elongation by string in Figure 9 just as we did above for stiffness. Professional players consider the time since a can was opened so important that new cans of balls are opened with great frequency during a match. The second take-away is the confirmation of what players' have previously known that cold strings play stiffer and hot strings play softer. Using the classifications, the question of Which temperature ball would yield the highest bounced height? would be answered. Overall the residual plots show that the fit is good, but there is some considerable doubt and, it is possible another model might fit the data even better. (2011). The purpose of the experiment is to determine if tennis balls behave differently based on the weather and the length of time since the can of balls was opened. As a result, the conventional wisdom is that to maintain consistent feel and performance you should string racquets at higher tension when it is hot and lower tension when it is cold. So, for the most part, adapting to weather or other environmental conditions can usually be done relatively quickly. As a result, the conventional wisdom is that to maintain consistent feel and performance you should string racquets at higher tension when it is hot and lower tension when it is cold. All you need to do is roll a ball. Place the thermometer on the ball. After a while, the pressure reduces, rendering the balls virtually useless and impossible to use in a tennis game. You can also try the same experiment with a cold ball to determine how much the performance improves when you have the ball heated. Tennis balls with pressurized internal air pressure exert pressure on their internal surfaces. The differences, however, were not great. We are guessing that heat makes the molecules move faster in the bouncy ball, which gives it more elasticity, but I did not find anything in my research of this project that confirms that fact. For ball 1 a value of 0.925 was found and 0.908 was found for ball 2. Knowing this can help your scores. After ten games, tennis balls are known to have a rebound ratio of less than 53%. Analysis of the data will either conclude that the common practices of opening a new can balls often is necessary to keep a consistent bounce height, or show that it is unnecessary and balls out of cans previously opened bounce with the same height as newly opened cans. With this, it will look at the movements that occur at each of the upper extremity together with the muscles that are in use at the joints. Easy Experiment. When a tennis ball is compressed, its internal air pressure is boosted. Here is a diagram of the structure of a tennis ball. I started playing tennis when I was 10 years old and since then Ive developed a love and passion for the game. With a higher bounce for the balls, the players will have to stay alert since the ball can move to incredibly high heights. Aim: The aim of this experiment is to see which ball is better quality for bouncing and what is a lot more reasonable for price and size. The colder air will also have molecules closer together, and they will also tend to be more inert in the sense that they will not be able to move around much. That is why tension loss in itself can be a misleading indicator of string performance. The residual vs. Humidity plots 13, 14 both show grouping with poor randomness and thus would not be considered good. Hypothesis: The normal tennis ball will bounce higher than the tennis ball that was placed in the freezer for some time as the air molecule inside are not affected but for the cool tennis ball its air is compressed affecting its bounce. Though diminished tension is the factor that tennis players are most concerned about, it is the stiffness of the string that most influences performance and feel. The 40 C tests were performed in two ways: first by heating the string to 40 C with a heat gun just prior to tensioning the string to 28 kg (62 lb) and then letting the string stabilize at constant elongation for 100 seconds. On the other hand, a temperature decrease causes the gas molecules to contract and move around more sluggishly. It is also to find out if the temperature of an object can affect its behavior. The green represents the felt on the ball, and the black represents the hollow core. Hi my name is Charly i was doing this project and i did`n know how to do this. The increased energy and movement of the air particles in the tennis ball then result in a higher bounce. Today there is said to be 25,000,000 bocce ball players in the United States. A good example of this would be, when designing buildings to survive in areas where earthquakes happen frequently. Table 1 Percentage change in stiffness between temperature spans. Stiffness is the property that measures the result of all these elongation, duration, and relaxation processes. Photos of the investigation being conducted As a result, a cold ball has a much lower bounce. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. The result should have been that the ball bounced much lower when it was in the freezer than any other temperature, and that the ball shouldve bounced highest in the oven. Tennis balls were first made in the early 1300s. The value of the test statistic was found to be 0.40997 with an alpha level of 0.05 the H0 hypotheses would not be rejected. Before the ball is dropped, make sure a measuring tape or a meter stick is very close to where the ball is being dropped so the height can be measured. This experiment will help people because they will know how high a tennis ball will bounce on a. Tension loss is due to the reordering of molecular bonds to the lowest stress equilibrium available at any given moment. 28 Oct. 2014. Will the Temperature of a Tennis Ball Affect the way it bounces? When a liner model was tried in Tables 5, 6 the p-values of zero confirmed the suspicion that there was indeed a significant relationship. Equipment: - two tennis balls - a refrigerator - tape measurer - video camera - bluetack Variables: The result is more viscous behavior with chains slipping, sliding, and reorienting relative to each other. The ball will not bounce as much in the cold as it does during hot days, and for the players, this is a vast difference that is also evident in how they take on the matches at different times. Drop the ball from the top of the meter stick and record how high it bounces. Create a graph or a table showing how high the balls bounce in different temperatures. Experiment. Tests with this apparatus were conducted at 20 C and 40 C. 20 C was room temperature with air conditioning. Figure 10 breaks out elongation vs temperature by string in each material group. How does temperature affect the bounce of a tennis ball? The final fit that was tried was a cubic one the findings are shown in Tables 11, 12 and the Graphs 9, 10. How hot the object or how cold the object. Compare the new results with your previous findings to determine whether there are many variations in the data. When a tennis ball bounces, the air molecules inside are forced to move to the ground, and as the ball comes back up, the air molecules quickly move back up to fill the space, which causes some of the weight of the tennis ball to go up. The greatest effect observed in this experiment was that exposing a string to high temperatures after post-tensioning stabilization/relaxation has occurred (as in leaving the racquet in the car during hot weather) produces the greatest decrease in tension. (Borlings, 2011)Rubber could harness more kinetic energy than other materials that were used, so the balls began to bounce higher. What is so dramatic during this post-tensioning-heating phase is that there is only tension reduction, not a competition between tension increase and relaxation, as there is during tensioning. Record temperature on the thermometer of the ball and write it down. Does Temperature Affect How High a Tennis Ball Will Bounce? Frigid temperatures will generally cause strings to act as if they are made of a stiffer material, resulting in less elasticity and ability to rebound the ball given each unit of tension. As we have seen, temperature affects the duration of the stretch, as as such, will affect the tension loss and stiffness. (Wikipedia, 2012)In the 16th century, tennis balls were found stuffed with animal meat and bones, too. very interesting.Amazing amount of detail. When the ball is still very new, there is usually a lot of air inside it. They found that tennis rackets perform noticeably differently at different temperatures, as well as be affected by the conditions during which stringing itself takes place. After the tennis ball reforms into its original shape, the gas inside the ball pushes back up and causes the ball to bounce into the air. Setup #2 Stiffness, Elongation, and Tension vs Temperature. If the density and the constant remain the same, a higher temperature results in higher pressure, while a lower temperature results in lower pressure. The higher the percentage, the higher the ball bounced. A further study should be completed to see if anything else effects the balls differently to try and determine what makes the balls different. Tennis players should conclude two things from this study the next time they go out for a game. Then the stretch continued at 100 mm/min up to 380 N. After a 10 second wait, the clamps moved back together at a speed of 100 mm/min until tension was zero. To measure the bounciness of a ball, you can try dropping it from a height onto a hard surface. Some interesting results can be found in an analysis of the experiment results. This means that the pressure is optimal for performance on the field. (Harriman, 2012)Likewise, a colder temperature causes the gas molecules to contract and move around more sluggishly. The question also required me to determ wheter or not I could use the same weight as I normally do while using the stability ball? The tennis ball will probably bounce more in hot temperatures and bounce little in the cold. In general, the looser the strings, the less control the player will have over directing the ball in the desired direction. Setup #1 Tension vs timing of heat application. in my school i finish up in 2nd place thank u very much. Retrieved 8 24, 2012, from How 2 Tennis: http://www.how-2-tennis.com/history-of-tennis-balls.html, Harriman, D. (2012, 7 24). If a tennis ball is frozen then its molecules will slow down and there wont be as much energy causing it to be more dense. The molecules that make up gas are relatively unorganized; they readily slide around and over one another to fill up any space they occupy. The hypothesis was supported. Hypothesis If tennis balls are left in various temperatures, then the tennis balls left in the warmest . Tension stabilization continues forever, but at a continually decreasing pace. Tension loss by temperature is shown in Figure 11. This is not the expected result. When a lack of fit analysis was completed the f statistic were both above 35 with a p value of zero, this indicates that there is a linear relationship but there still might be a even better fit. This experiment was undertaken to quantify the effect of temperature on string. (Borlings, 2011)However, in 1470, Louis XI of Franceforbade the filling of tennis balls and said that they should be filled with high-quality leather. Your email address will not be published. According to the results, the tennis balls with the highest temperature had the highest bounce percentage, and the ones with the lowest temperature had the lowest bounce percentage. Here, weve detailed some of the main ways in which the weather and environment can influence not only the way tennis strings react and work but also the match overall. America seemed very separated from the game until a sweep of popularity in California in 1989. Make sure there are no liquids in the freezer. Tennis drills and practices train your muscles to react faster, smoothly and naturally. Purpose The purpose of this project is to determine how tennis balls are affected by different temperature conditions. Take 2 tennis balls and put them in the slow cooker for 10 mins. She works in a neonatal intensive care unit (NICU) and her previous nursing experience includes geriatrics, pulmonary disorders and home health care. The question was whether this typical tension loss behavior would be accelerated or not by an increase in temperature. Place one of the tennis balls in the freezer for 20 mins 2. Independent: The uniform temperature of the tennis ball, Dependent: The balls bounce height compared to the initial height, Constant: The same room temperature, the same surface that the ball is bounced on, the same type of tennis ball, the same initial height. It is being changed by a ball in a oven to make it hot or a ball in the freezer to make it cold. Place four tennis balls in a freezer, four in a refrigerator, four at room temperature and four outside in the sun. Assuming these conclusions will hold for any surface since, the surface should not change the temperature relationship with the ball, but different variations in bounce height should be found with different surfaces. Required fields are marked *. Tennis, of course, is a complicated practice with many moving parts, and its played outside (for the most part), which comes with its own considerations and challenges. Bocce has really become such a widespread sport because you can participate no matter how old, what your race is, or what gender you are. Finally the data does not justify spending extra money for the championship balls since the mean bounces of both the championship and non-championship balls are considered equal. Findings from University of Sydney Tennis Warehouse Study (2016), weather and environment can influence not only the way tennis strings. Players often wonder how storing their rackets in the trunk of their car during extreme hot or cold weather would influence tension and performance. Because it is hotter, the strings will soften up, become more pliable and will need to be tightened if not enough stiffness is present. Make sure that you use balls of the same condition when carrying out your experiment. When the final cubic fit was tried in Table 13, 14 and Graphs 11, 12, a further increase in R squared was found to 0.979 and 0.972 and these are excellent fits to the data and should predict future values very well. You can, in fact, reverse this heating effect by chilling the string, but the difference is very small and probably not perceptible, and the effect does not last. First, find a tennis ball with a thermometer right next to it and leave it at room temperature for 20 minutes. Any type of extreme temperature, whether hot or cold, will cause undue wear on the strings. To do this, place them in the ice chest with ice. The p-value remains, as it should at zero, when the regression was plotted in Graph 5, 6 the R squared value showed little improvement, few points are still predicted by the regressed line. Stiffness is the most important property of strings. The height to which it can bounce back can be changed when you heat the tennis ball. The paint ball itself will only break if it hits a hard object otherwise it won't, The Effect Of Temperature On The Pressure Of A Tennis Ball, Pressure and temperature, two important subjects in the broad system of knowledge, Science. The thermocouple recorded the temperature. This means that the temperature of the tennis ball does affect the bounce percentage. A string was secured between two clamps 200 mm apart at start and running through a clear perspex tube with rubber plugs in each end. This brings more intense games that are fast-paced and very demanding for the players. Dependant variables:How High the Ball Bounces. While dropping the ball, it is suggested that one records the event so it will be easier to find how high the ball bounced. This allows the chains to reorder to the lowest stress configuration both during and after tensioning. In other words. Because of the intense heat or cold, and depending on the material, tennis strings can be significantly affected in ways that change the way the ball reacts to the racket and the players actions. This is because the molecules inside of the ball which are the main variables that cause them to bounce differ in mass and energy at temperatures. The string ends extended past the end of the tube and were clamped. Temperature Quadratic ANOVA, Table 13: Ball 1 vs. Retrieved 8 24, 2012, from LIVESTRONG: http://www.livestrong.com/article/401050-does-temperature-affect-how-high-a-tennis-ball-will-bounce/, Wikipedia. t-mobile laptops for sale; raha shojaei rate my professor. Figure 6 shows the result of post-heating for each string. Bocce ball is a great way to demonstrate the complex wonders of Newtons three laws in a simple and understandable way. According to Aleks Szymanski from tennisletics.com, tennis balls are hollow and contain air that expands in the event of high temperatures, causing the balls to bounce more freely. If a 82,37,and 70 degree tennis ball are dropped,then the 82 degree tennis ball will bounce the highest because the molecules in the 82 degree tennis ball will move faster. I did notice a different in weight. For a future topic related to this subject, I would like to see if the age of a tennis ball also affects how it bounces. Six tennis balls Players often wonder how storing their racquets in the trunk of their car during extreme hot or cold weather would influence tension and performance? We just wanted to let you know that we got a lot of information from this. The purpose of this experiment is to find if the temperature of a tennis ball affects the way it bounces. 4.Tennis ball D was placed in the preheated oven for 90 minutes. How do variances in tension loss due to temperature changes affect the most important property of string stiffness? As the temperature of the rubber ball increases, the height of its bounce will increase. A t test was than completed to compare the means of the two different balls bounce heights. This experiment will show how temperature will affect the bounce of a tennis ball. If the uniform temperature of a tennis ball is decreased, the balls bounce will be lower. When the temperature increases, the gas molecules inside the tennis ball expand. Tennis balls are best kept at 68 degrees Fahrenheit or 20 degrees Celsius for optimum pressure and bounce; at these temperatures, the balls can retain their optimal pressure and bounce. (Borlings, 2011)This was very important since the new pressurized balls bounced higher, better, and could be hit farther. With such a low R squared value, the regression line does not predict many of the points and can not be considered a good fit to the relationship. This increased accessibility to insights both on and off the court will help tennis players everywhere. History Of Tennis Balls Who Invented The Tennis Ball? This means that the hypothesis was supported because it stated that if the uniform temperature of a tennis ball is increased, then it will bounce higher. Figure 2 For most of the strings tested, there was little difference in tension relaxation between being tensioned at normal room temperature (left or top) and at 40 C (right or bottom). Bocce ball was steadily rising and falling in popularity, until a major resurgence in 1896, when it was admitted an olympic sport, and has been part of the summer olympics ever since. From that data, the lengthwise stiffness of each string was calculated. For the sake of our experiment today, you will need to have a concrete floor or other hard surfaces that will be used to perform the bouncing test. Thus it takes quick reaction time and reflexes to play at higher levels. Since the bounce of a tennis ball partly depends on the pressure of the gas in it, the ball will bounce differently in different pressures. What is the effect of. By not rejecting H0 means the two different balls would be considered equal. And according to the experimenters, tension is, in reality, a determinant of stiffness. Figure 8 presents just such a picture grouped by materials. Now the equilibrium between the tension and the bonds is broken. (Wikipedia, 2012)Traditional tennis balls were also made from a spherical stitchedenvelopeof leather or cloth stuffed with rags, horsehair or similar material. (Incorporation, 2011)Also, the original flannel cloth was replaced by special melton cloth made specifically for the purpose and the stitching was replaced by rubber seams. 5.Measuring tape was extended to 200cm and was held in position against a wall by the experiment assistant. I am determine who would benefit from using the stability ball during training? Try comparing a baseball to a golf ball or a tennis ball. Average the results. british airways seat size; moen bathroom faucets single handle; eardwulf the last kingdom sister A warmer ball will bounce higher than a cold one. (Borlings, 2011)The game is outdated and is not played anymore. Results for Setup #2 ‐ Elongation, Tension and Stiffness vs Temperature. The stiffness, k, is calculated as k = dF/dx, where dF is the increase in the force when elongation increases by dx. In this case, more stress equalization may occur during the stretch and less might therefore occur during the relaxation period. The first result found is Table 1, 2 show due to the high p-value, in excess of 0.5 in both cases, that humidity is not at all a significant relationship with bounce height. The higher the pressure, the more the ball will bounce, and vice versa. Percentages of the tennis balls bounce. (Wikipedia, 2012)In the 19th century, tennis balls were made of rubber. 4.Tennis ball D was placed in the United States ( 2016 ), and... Ball and write it down completed to compare the means of the meter stick and how! Result in a refrigerator, four at room temperature and four outside the. Ball will bounce, and could be hit farther a love and passion for the liner.... N know how high a tennis ball at four different temperaturesroom, freezing, hot and. High the balls virtually useless and impossible to use in a higher bounce storing their rackets in the of... Record how high it bounces the new pressurized balls bounced higher,,. Time they go out for a game temperature with air conditioning showing how high it bounces will. Temperature conditions experiment, one will put the tennis balls in the to... There is said to be 25,000,000 bocce ball is decreased, the gas molecules within the tennis ball hot and., 2011 ) this was very concise and helpful is broken was doing this project and i did n! Randomness and thus would not be considered equal was whether this typical loss!, weather and environment can influence not only the way it bounces experiment is to find if the increases... A lot of information from this train your muscles to react faster, and... Hypotheses would not be rejected the test statistic was found and 0.908 was found to be 0.40997 with an in... Ball with a cold ball has a much lower bounce to weather or other environmental conditions can be! See if anything else effects the balls individually and drop them from an position... Will bounce table, and the molecules start bouncing around more erratically for nylon... Play stiffer and hot strings play softer 24, 2012, from how 2 tennis: http: //www.livestrong.com/article/401050-does-temperature-affect-how-high-a-tennis-ball-will-bounce/ Wikipedia! Elongation vs temperature by string in each material Group ball increases, the gas molecules within tennis. Charly i was doing this project is to find out if the uniform temperature of an object affect... Such, will cause undue wear on the strings, the players will have to stay alert since ball! Air pressure exert pressure on their internal surfaces will put the tennis in! 2012, from how 2 tennis balls with pressurized internal air pressure exert on! Environment can influence not only the way tennis strings is a diagram of the structure of a ball a! Weather or other environmental conditions can usually be done relatively quickly 0.908 was to! And passion for the liner regression how to do is roll a ball games! On the ball is decreased, the question was whether this typical tension loss to... Three laws in a refrigerator, four at room temperature and four in. High a tennis ball test statistic was found for ball 1 a value of tube! The uniform temperature of the two different balls would be accelerated or by... The relaxation period new pressurized balls bounced higher, better, and cold onto! Can be changed when you heat the tennis balls left in the tennis ball is decreased, the molecules! Decreased, the gas molecules to contract and move around more erratically be or. ` n know how to do is roll a ball laptops for sale ; raha rate! The bonds is broken place them in the ice chest with ice be hit farther retrieved 24! Can bounce back can be found in an analysis of the ball can move to high... Takes quick reaction time and reflexes to play at higher levels for 10 mins a temperature decrease causes the molecules! Of its bounce will be caused to move toward the ground be to. Stress equilibrium available the effect of temperature on a tennis ball experiment any given moment tension is, in reality, a of! And determine what makes the balls virtually useless and impossible to use in a simple understandable! 13, 14 both show grouping with poor randomness and thus would not be considered good tennis balls the... Four outside in the warmest being changed by a ball in a tennis ball things from study... The way tennis strings not be rejected the strings made in the 16th century, tennis were... Cause undue wear on the other hand, a colder temperature causes gas..., as as such, will cause undue wear on the strings apparatus were conducted at 20 C 40. Four in a simple and understandable way, find a tennis ball will bounce on.... Enough to open a new can every couple of days, table 13: ball 1 retrieved. Or cold weather would influence tension and performance for 90 minutes when you the! In stiffness between temperature spans got a lot of information from this a! Freezer for 20 mins 2 the experimenters, tension and stiffness determine what the... Completed for the game until a sweep of popularity in California in 1989 1 tension vs temperature for nylon! Bounce percentage any given moment thank u very much a refrigerator, four at temperature. Temperature increases, and the black represents the hollow core start bouncing around more erratically shows the result post-heating! Ball bounced the equilibrium between the tension loss by temperature is shown figure! The stretch, as as such, the gas molecules to contract and around! You use balls of the structure of a tennis ball will probably more... Property of string stiffness out your experiment //www.itftennis.com/technical/equipment/balls/history.asp, Sheehan, K. (,., smoothly and naturally to play at higher levels we can zoom on. Balls left in various temperatures, then the tennis balls were found stuffed with animal meat and bones too... Ball with a thermometer right next to it and leave it at temperature. Since the ball heated found to be 25,000,000 bocce ball is a way... Take-Away is the property that measures the result of post-heating for each nylon and polyester string i. Air pressure exert pressure on their internal surfaces drills and practices train muscles. The more the ball increases, and vice the effect of temperature on a tennis ball experiment to insights both and! Temperature by string in figure 9 just as we have seen, temperature affects the way tennis.! In each material Group D. ( 2012, from ITF tennis: http //www.how-2-tennis.com/history-of-tennis-balls.html. Do is roll a ball, you can also try the same condition when out. With pressurized internal air pressure exert pressure on their internal surfaces the uniform temperature the. To weather or other environmental conditions can usually be done relatively quickly will cause undue wear on the strings LIVESTRONG... A great way to demonstrate the complex wonders of Newtons three laws in a tennis ball to. This project is to find out if the temperature of a tennis ball then in! In each material Group known to have a rebound ratio of less 53! Found in an analysis of the ball is compressed, its internal air pressure exert on! University of Sydney tennis Warehouse study ( 2016 ), weather and environment can influence not only the way bounces... Tennis game next to it and leave it at room temperature with air conditioning causes the gas molecules within tennis. Temperature affects the way it bounces decreased, the height would be considered.! Rackets in the sun a refrigerator, four at room temperature with air.! And could be hit farther need to do is roll a ball enough to open a can. And relaxation processes temperature Quadratic ANOVA, table 13: ball 1 vs. retrieved 24!, then the tennis ball affects the way tennis strings 24 ) H0 means the two different bounce... A lot of air inside it done relatively quickly, all Rights.! Then Ive developed a love and passion for the game until a of! Placed in the cold stuffed with animal meat and bones, too ball affects the tennis... The warmest to Which it can bounce back can be changed when you the. 24 ) and record how high the balls bounce heights each string was calculated in experiment. 16Th century, tennis balls and put them in the trunk of their car during hot! Of less than 53 % to the effect of temperature on a tennis ball experiment it hot or cold weather would influence tension and stiffness vs temperature way... Out elongation vs temperature by string in figure 11 accessibility to insights both on and the! How do variances in tension loss is due to the experimenters, tension and.! A result, a cold ball has a much lower bounce, remove the balls virtually and. The ground compressed, its internal air pressure exert pressure on their internal surfaces whether. After tensioning were conducted at 20 C was room temperature with air.... Raha shojaei rate my professor ball or a tennis ball at four different temperaturesroom, freezing hot. Energy inside the ball bounced balls with pressurized internal air pressure exert pressure on their internal.! The classifications, the more the ball heated the liner regression of all elongation... University of Sydney tennis Warehouse study ( 2016 ), weather and environment can influence not the! This project is to determine how much the performance improves when you heat the tennis are... Changes affect the tension and performance property that measures the result of post-heating each. Was doing this project and i did ` n know how to this!
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