# Lab3 - Worcester Polytechnic Institute PH 1111, Term A,...

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Worcester Polytechnic Institute PH 1111, Term A, 2007 Experiment #3 Lab Worksheet 1. a) In the space below, record your (or your partner’s) average weight (in newtons), one or more of your peak values of jumping weight, and the corresponding figure of merit, defined as Ratio = (Max jumping force – average weight)/(average weight). Use three significant figures. b) Explain briefly why there is usually a dip in the force plate reading just prior to your jump. 2. Explain the reason for the first pair of up-down spikes in the force plate reading when you raised your arm suddenly from straight-down to up-tight-to-bicep. 3. Explain why your weight on the force plate is the same no matter whether you are standing on one leg or on two (motionless, in each case). 4. Summarize your significant observations concerning the dropping of a mass from one hand into the other. In particular, describe in words a typical F vs. t pattern (but LEAVE OUT the experimental artifacts!), identifying the reason for each change of force plate reading.

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## This note was uploaded on 05/07/2008 for the course PHYSICS PH1111 taught by Professor Lady during the Spring '08 term at UMass Lowell.

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Lab3 - Worcester Polytechnic Institute PH 1111, Term A,...

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