Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Hard-Class 11
Consider a diagram showing a block moving on a smooth horizontal table under the influence of a gravitational force . Which statement best describes the work done by the gravitational force on the block as it moves horizontally?
A
The work done is zero since the force acts at right angles to displacement.
B
The work done is positive as the force aids in horizontal movement.
C
The work done is negative because the force opposes horizontal movement.
D
The work done is variable depending on the horizontal speed.
Correct Answer
Option A
Detailed Explanation
The work done by the gravitational force is zero because it acts at right angles to the displacement on a horizontal surface, as mentioned in the NCERT context.
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