Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-conceptual-Hard-Class 11
Which of the following statements about work, energy, and power is correct?
A
The work done by a force is positive when the force and displacement are in the same direction.
B
The work done by a conservative force is always negative regardless of the motion.
C
Kinetic energy can be negative if the object is moving in the opposite direction.
D
Power is defined as the rate at which work is done, but it is independent of the time taken.
Correct Answer
Option A
Detailed Explanation
The first statement is correct as positive work occurs when the force applied and the displacement are in the same direction, aligning with the work-energy principle. The other statements reflect misconceptions about work, energy, and power.
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