Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements regarding work and forces is correct?
A
The gravitational force does no work when acting perpendicular to displacement.
B
Work done by a force is always positive regardless of the angle of application.
C
Negative work occurs when a force acts in the same direction as displacement.
D
The work done by friction is positive when displacement is opposite to the force direction.
Correct Answer
Option A
Detailed Explanation
The gravitational force does no work when acting at right angles to displacement, as mentioned in the context. Work can be positive or negative depending on the angle between the force and the displacement.
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