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When force and displacement are in the same direction, the kinetic energy of the body ___________

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in Engineering Physics I by (558k points)
When force and displacement are in the same direction, the kinetic energy of the body ___________

(a) Increases

(b) Decreases

(c) Remains constant

(d) Becomes zero

This question was posed to me during an interview for a job.

This intriguing question comes from Collision and Friction topic in division Nature of Physical World of Engineering Physics I

1 Answer

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Best answer
Correct answer is (a) Increases

Explanation: When force and displacement are in the same direction, the kinetic energy of the body increases. The increase in kinetic energy is equal to the work done on the body.

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