5th Edition

ISBN: 9780134051796

Author: Walker

Publisher: YUZU

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Chapter 11.8, Problem 8EYU

In system 1, a torque of 20 N · m acts through an angular displacement of 450°. In system 2, a torque of 10 N · m acts through an angular displacement of π/2. Is the work done in system 1 greater than, less than, or equal to the work done in system 2? Explain.

Definition Definition Angle at which a point rotates around a specific axis or center in a given direction. Angular displacement is a vector quantity and has both magnitude and direction. The angle built by an object from its rest point to endpoint created by rotational motion is known as angular displacement. Angular displacement is denoted by θ, and the S.I. unit of angular displacement is radian or rad.

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Chapter 11.7, Problem 7EYU

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In system 1, a torque of 20 N · m acts through an angular displacement of 450°. In system 2, a torque of 10 N · m acts through an angular displacement of π /2. Is the work done in system 1 greater than, less than, or equal to the work done in system 2? Explain.

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