NEET Physics Centre of Mass Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Work done by a conservative force | (i) Equal and opposite forces exerted |
| (b) Work done by frictional force | (ii) Total mechanical energy is conserved |
| (c) Mutual forces between two bodies | (iii) Work can be positive or negative |
| (d) Work done in a closed path | (iv) Work done is always zero |
a-ii, b-iii, c-i, d-iv
a-i, b-iii, c-ii, d-iv
a-ii, b-iv, c-iii, d-i
a-ii, b-iii, c-iv, d-i
Correct Answer
Detailed Explanation
Work done by a conservative force is linked to the conservation of total mechanical energy, while work done by friction is a negative quantity. Mutual forces are equal and opposite as per Newton's Third Law, and work done in a closed path is zero as stated in the context.
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