- #1
Kaushik
- 282
- 17
My book states that, '∑Finternal=0∑Finternal=0. But the work done by them may or may not be zero.
Why is this true?
Edit: How can the work ≠ 0 sometimes?
Why is this true?
Edit: How can the work ≠ 0 sometimes?
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