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Get Full Access to College Physics For Ap® Courses - 1 Edition - Chapter 9 - Problem 14
Get Full Access to College Physics For Ap® Courses - 1 Edition - Chapter 9 - Problem 14

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# Solved: Explain why the forces in our joints are several times larger than the forces we

ISBN: 9781938168932 372

## Solution for problem 14 Chapter 9

College Physics for AP® Courses | 1st Edition

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Problem 14

Explain why the forces in our joints are several times larger than the forces we exert on the outside world with our limbs. Can these forces be even greater than muscle forces?

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COLOR​ ​KEY: Formulas Key​ ​Details Work,​ ​w Formula:​​ ​​​​ ​​ ​ ​F・d・cos(​ θ​ ) ● Where​ ​​F​​ ​is​ ​the​ ​force,​ ​​d​​ ​is​ ​the​ ​distance​ ​moved​ ​by​ ​the​ ​object,​θ​a​ ​is​ ​the angle​ ​between​ ​​F​​ ​and​ d​​ ● Work​ i​ s​ t​ he​ ​area​ ​under​ ​a​ ​​ s​​ ​ raph. ● Table:​ ​Effect​ o ​ f​ ​angle​​​ ​​ n​ ​work: θ cos(​ θ) work 0° cos(0°)​ ​=​ ​ MAX.​ ​positive​ ​work 0°​ ​

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