NEET Physics Work Done by Forces MCQ Question
Which of the following statements about work done by forces is correct?
Work done by a force can be positive, negative, or zero depending on the direction of the force and displacement.
The work done by a conservative force is always equal to the total energy of the system.
Work done is a vector quantity, having both magnitude and direction.
The work done by friction is always positive as it opposes motion.
Correct Answer
Detailed Explanation
Work done by a force can indeed be positive, negative, or zero depending on the angle between the force and the displacement, confirming the scalar nature of work as a quantity that can take on these values (NCERT context).
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