Physics · Laws of Motion
A metre scale is moving with uniform velocity. This implies that:
- 1the force acting on the scale is zero, but a torque about the centre of mass can act on the scale.
- 2the force acting on the scale is zero and the torque acting about the centre of mass of the scale is also ze ro.✓
- 3the total force acting on it need not be zero but the torque on it is zer o.
- 4neither the force nor the torque need to be zer o.
Correct answer
the force acting on the scale is zero and the torque acting about the centre of mass of the scale is also ze ro.
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