If it turned out the outcome of the experiment was

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Unformatted text preview: tatively test Newton’s 2nd law ( a = 1 ∑ F ) for the situation m of a ball rolling down a wooden ramp. Available equipment: Ball, wooden ramp, motion sensor, Logger Pro software, computer, meter stick, stopwatch, digital balance, spring scale Your writeup should have sufficient detail so that someone who was not present in lab could clearly understand the experiment and the results. If it turned out the outcome of the experiment was not consistent with the prediction, you should not immediately conclude that you have disproven Newton’s 2nd law. There is another possibility: Perhaps one of the assumptions you made in your mathematical method actually wasn’t as reasonable as you might have thought. For example: You might have assumed that the friction force exerted by the ramp on the ball was much smaller than all of the other forces being exerted on the ball, and therefore you assumed it was zero. How reasonable is that assumption? Actually, this “rolling friction” force is different than the static and kinetic friction forces that we’ve already encountered in the course. So, even if you had tried to...
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This note was uploaded on 12/27/2012 for the course PHYSICS 193 taught by Professor Gentile during the Fall '09 term at Rutgers.

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