NEET Physics Centre of Mass Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Work done by friction | (i) Positive scalar quantity |
| (b) Work done by a conservative force | (ii) Depends on initial and final positions |
| (c) Work done as a scalar quantity | (iii) Can be negative |
| (d) Work done in a cyclic process | (iv) Always zero |
a-iii, b-ii, c-i, d-iv
a-ii, b-iii, c-iv, d-i
a-i, b-iv, c-iii, d-ii
a-ii, b-i, c-iii, d-iv
Correct Answer
Detailed Explanation
The work done by friction is indeed negative (a-iii), the work done by a conservative force depends only on initial and final positions (b-ii), work done is a scalar quantity that can be negative (c-i), and the work done in a cyclic process is zero (d-iv) as discussed in the NCERT context.
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