Physics-(general)

NEET Physics (general) MCQ Question

Type: MCQ-conceptual-Hard-Class 11

Which of the following statements about work and gravitational forces is correct?

A

The gravitational force does no work when acting at right angles to displacement.

B

Gravitational force always does positive work on an object in motion.

C

Work done by gravitational force is always zero regardless of the motion.

D

The gravitational force can perform negative work when it opposes displacement.

Correct Answer

Option A

Detailed Explanation

The gravitational force does no work when it acts at right angles to the displacement, as stated in the context about the moon's orbit and a block on a smooth table.

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