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The work done by a spring force around a cyclic process is:
AFully doubled
BExactly zero
CVery large
DSimply halved
Answer & Solution
Correct answer: B. Exactly zero
1. The block returns to exactly where it began.
2. The work depends only on start and end positions.
3. So the work around a cycle is zero.
_Source: NCERT Class 11 Physics Part I, Chapter 6, Work, Energy and Power._
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