Lab 3 write-up

# Lab 3 write-up - Lab 3-Problem 1 Force and Motion Problem...

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Problem Description: Determining how the launch velocity of a car, pulled across a level track attached to a string which runs over a pulley with a block putting tension on the string and accelerating until hitting the ground, is affected by the distance the block falls, the mass of the block and the mass of the car. Prediction: An increase in the mass of the car will result in a decrease in the launch velocity of the car. An increase in the mass of the block will result in an increase in the launch velocity of the car. The more distance the block falls, the higher the launch velocity. Procedure: 1. First gain access to necessary materials, which include: ramp w/track, car that fits the track, computer with the Motion-Lab program, video camera, a pulley that can be fastener to the end of the track, and table or stand to elevate the track off of the ground, a string, a block to hang from the string, and weights for placement on car to add mass. 2. Then set up the track. a. We had the block hanging by the string vertically off the end of the track, from the car and through the pulley. b. We made sure to have the string length and starting point of the car so that the block will hit the ground before the car reaches the end of the track. 3. Next adjust the camera to make the view of the car-track in the Motion-Lab program appear to be horizontal. a.

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Lab 3 write-up - Lab 3-Problem 1 Force and Motion Problem...

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