English

A boy drags a load 'L' along horizontal plane AB by applying a force F. The boy does:

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Question

A boy drags a load 'L' along horizontal plane AB by applying a force F. The boy does:

Options

  • no work

  • some positive work

  • negative work

  • none of these

MCQ
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Solution

Some positive work

Explanation:

The horizontal component of the applied force acts in the direction of the load’s displacement, so the work done is positive. The force is neither perpendicular nor opposite to the displacement.

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Chapter 2: Work, Power and Energy - EXERCISE [Page 32]

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Goyal Brothers Prakashan A New Approach to ICSE Physics [English] Class 10
Chapter 2 Work, Power and Energy
EXERCISE | Q 1. | Page 32
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