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Calculate the force (in N) the woman in the figure below exerts to do a push-up at a constant speed, taking all data to be known to three digits.

Calculate the force (in N) the woman in the figure below exerts to do a push-up at a constant speed, taking all data to be known to three digits.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Calculate the force (in N) the woman in the figure below exerts to do a push-up at a constant speed, taking all data to be known to three digits. 
(a) Calculate the force (in N) the woman in the figure below exerts to do a push-up at constant speed, taking all data to be known to three digits. (You may need to use torque methods from later chapter.) 275.733 0.88 m N m = 47 kg CG 1.47 m W Freaction (b) How much work (in J) does she do if her center of mass rises 0.200 m? 92.12 J (c) What is her useful power output (in W) if she does 30 push-ups in 1 min? (Should work done lowering her body be included? See the discussion of useful work in Work, Energy, and Power in Humans.) 92.12 X W
Transcribed Image Text:(a) Calculate the force (in N) the woman in the figure below exerts to do a push-up at constant speed, taking all data to be known to three digits. (You may need to use torque methods from later chapter.) 275.733 0.88 m N m = 47 kg CG 1.47 m W Freaction (b) How much work (in J) does she do if her center of mass rises 0.200 m? 92.12 J (c) What is her useful power output (in W) if she does 30 push-ups in 1 min? (Should work done lowering her body be included? See the discussion of useful work in Work, Energy, and Power in Humans.) 92.12 X W
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