An athlete at the gym holds a (3.0 mathrm{~kg}) steel ball in his hand. His (B 10

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An athlete at the gym holds a \(3.0 \mathrm{~kg}\) steel ball in his hand. His

\(B 10 \mathrm{arm}\) is \(70 \mathrm{~cm}\) long and has a mass of \(4.0 \mathrm{~kg}\). What is the magnitude of the gravitational torque about his shoulder if he holds his arm

a. Straight out to his side, parallel to the floor?

b. Straight, but \(45^{\circ}\) below horizontal?

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College Physics A Strategic Approach

ISBN: 9780321907240

3rd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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