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Place the wooden board at an angle of about 10 degrees with respect to the horizontal. If you use the table instead, place objects underneath 2 of the legs so that the top of the table makes an angle of about 5 to 10 degrees with respect to the horizontal. Take your toy car and place it at the top of the board (table) and release. Measure the time that the toy car takes to reach the bottom of the incline. Measure the difference in height between the high and low point of the board (table). Measure the distance traveled. Use the equations of kinematics to determine the velocity at the bottom of the incline. (Use a pillow to stop or catch the toy or rolling object). Compare that result with v = square root (2 g h). Use the energy equation to determine how much of the original kinetic energy is lost due to friction. From the lost energy, determine the friction force. From the calculated friction force, determine the coefficient of friction.

Place the wooden board at an angle of about 10 degrees with respect to the horizontal. If you use the table instead, place objects underneath 2 of the legs so that the top of the table makes an angle of about 5 to 10 degrees with respect to the horizontal. Take your toy car and place it at the top of the board (table) and release. Measure the time that the toy car takes to reach the bottom of the incline. Measure the difference in height between the high and low point of the board (table). Measure the distance traveled. Use the equations of kinematics to determine the velocity at the bottom of the incline. (Use a pillow to stop or catch the toy or rolling object). Compare that result with v = square root (2 g h). Use the energy equation to determine how much of the original kinetic energy is lost due to friction. From the lost energy, determine the friction force. From the calculated friction force, determine the coefficient of friction.

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time it takes for toy car to reach bottom of incline = 1.27 sec seconds distance traveled=30.55cm angle of table = 10 degrees height between high and low= 5.32cm
Place the wooden board at an angle of about 10 degrees with respect to the horizontal. If you use the table instead, place objects underneath 2 of the legs so that the top of the table makes an angle of about 5 to 10 degrees with respect to the horizontal. Take your toy car and place it at the top of the board (table) and release. Measure the time that the toy car takes to reach the bottom of the incline. Measure the difference in height between the high and low point of the board (table). Measure the distance traveled. Use the equations of kinematics to determine the velocity at the bottom of the incline. (Use a pillow to stop or catch the toy or rolling object). Compare that result with v = square root (2 g h). Use the energy equation to determine how much of the original kinetic energy is lost due to friction. From the lost energy, determine the friction force. From the calculated friction force, determine the coefficient of friction.
Transcribed Image Text:Place the wooden board at an angle of about 10 degrees with respect to the horizontal. If you use the table instead, place objects underneath 2 of the legs so that the top of the table makes an angle of about 5 to 10 degrees with respect to the horizontal. Take your toy car and place it at the top of the board (table) and release. Measure the time that the toy car takes to reach the bottom of the incline. Measure the difference in height between the high and low point of the board (table). Measure the distance traveled. Use the equations of kinematics to determine the velocity at the bottom of the incline. (Use a pillow to stop or catch the toy or rolling object). Compare that result with v = square root (2 g h). Use the energy equation to determine how much of the original kinetic energy is lost due to friction. From the lost energy, determine the friction force. From the calculated friction force, determine the coefficient of friction.
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