Book edition 4th

Author(s) Randall D. Knight

Pages 1240 pages

ISBN 9780133942651

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Short Answer

A particle moves in a vertical plane along the closed path seen in FIGURE Q9.7, starting at A
and eventually returning to its starting point. Is the work done by gravity positive, negative, orzero? Explain.

The work done is Zero.

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Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1 : Given Information

A particle moves in a vertical plane along the closed path seen in FIGURE Q9.7, starting at A
and eventually returning to its starting point.

Step 2 : Explanation

The work done is given by the multiplication of force and displacement in the direction of force.

$W = F x d .$

In this case displacement $d = 0$ as it returns to the same point.

So the work done will be

$W = F x 0 = 0$

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Answers without the blur.

Short Answer

A particle moves in a vertical plane along the closed path seen in FIGURE Q9.7, starting at A
and eventually returning to its starting point. Is the work done by gravity positive, negative, orzero? Explain.

Step by Step Solution

Step 1 : Given Information

Step 2 : Explanation

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Select your language

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Answers without the blur.

Short Answer

A particle moves in a vertical plane along the closed path seen in FIGURE Q9.7, starting at Aand eventually returning to its starting point. Is the work done by gravity positive, negative, orzero? Explain.

Step by Step Solution

Step 1 : Given Information

Step 2 : Explanation

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A particle moves in a vertical plane along the closed path seen in FIGURE Q9.7, starting at A
and eventually returning to its starting point. Is the work done by gravity positive, negative, orzero? Explain.