Answered: Consider the forces involved in doing…

Name: Consider the forces involved in doing push-ups. The woman’s weight act
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Description: Consider the forces involved in doing push-ups. The woman’s weight acts as a force exerted downward on her center of gravity (marked CG in the figure). You may assume that the angle between her body and the floor is small enough so that the small ang

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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Consider the forces involved in doing push-ups. The woman’s weight acts as a force exerted downward on her center of gravity (marked CG in the figure). You may assume that the angle between her body and the floor is small enough so that the small angle approximation is valid throughout this motion.

Calculate the force, in newtons, the woman in the figure exerts to do a pushup at constant speed.

How much work, in joules, does she do if her center of mass rises 0.23 m?

What is her useful power output, in watts, if she does 29 push-ups in 1 min? Ignore any work done during the downward motion.

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