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) Depends only on initial and final positions |
| (b) Spring force | (ii) Is position dependent |
| (c) Work done by friction | (iii) Is always positive |
| (d) Work-energy theorem | (iv) Relates work and change in energy |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iv, b-iii, c-i, d-ii
a-ii, b-iv, c-iii, d-i
Correct Answer
Detailed Explanation
The work done by a conservative force depends only on the initial and final positions, as stated in the NCERT context regarding the properties of conservative forces. The spring force is position dependent, and friction typically does negative work, contradicting the idea that it is always positive.
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