English

A boy exerts a force of 150 N while pulling a hand cart at a speed of 3 ms^−1. The power exerted by the body is:

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Question

A boy exerts a force of 150 N while pulling a hand cart at a speed of 3 ms−1. The power exerted by the body is:

Options

  • 50 W

  • 150 W

  • 1500 W

  • 450 W

MCQ
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Solution

450 W

Explanation:

P = F × v

= 150 × 3

= 450 W

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Chapter 2: Work, Power and Energy - EXERCISE [Page 34]

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Goyal Brothers Prakashan A New Approach to ICSE Physics [English] Class 10
Chapter 2 Work, Power and Energy
EXERCISE | Q 25. | Page 34
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