MCQ
If the external forces acting on a system have zero resultant, the centre of mass:
- AMay move.
- BMay accelerate.
- CMust not move.
- ✓A and B both
✓
Answer
Correct option: D.
A and B both
Explanation:
When external forces acting on a system have zero resultant, the centre of mass may move with a constant velocity i.e. it must not accelerate.
When external forces acting on a system have zero resultant, the centre of mass may move with a constant velocity i.e. it must not accelerate.
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