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# lab3 - Force and Motion Performed by Sarin Regmi Date 15th...

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Force and Motion Performed by Sarin Regmi Date: 15 th October 2009 TA: Brian Howard. Object of the problem The object of our problem is to find how the launch velocity of the cart depends upon the mass of the cart, the mass of the attached mass, and the height through which the attached mass falls when we carry out the experiment as shown by the set up below. We have a string connecting the cart and the known mass that runs over the pulley and the track of the cart as shown in figure above. We further use a meter stick to measure the distance covered, a stopwatch to measure time, a mass system to provide different combination of mass to cart and attached mass and the video analysis tool to find out the velocity of launch. Predictions We start with Newton’s Second law of motion, which gives us the definition of the force. F = ma Equation (1) With reference to the figure 1,we compute the forces in the x and the y directions for the cart and the attached mass. We assume the plane of the track be the x-axis and the vertical

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lab3 - Force and Motion Performed by Sarin Regmi Date 15th...

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