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When external forces acting on a body are zero, then its centre of mass
  • a)
    remains stationary
  • b)
    moves with uniform velocity
  • c)
    either remains stationary or moves with uniform velocity
  • d)
    none of these
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
When external forces acting on a body are zero, then its centre of mas...
When force acting upon the body results zero, the resulting acceleration due to net force applied is also zero, and hence by the law of inertia the motion of the body either at rest or constant velocity wont change.
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When external forces acting on a body are zero, then its centre of mas...
If the external force acting on a system have zero resultant, then the total momentum remain . constant i.e conserved. Hence, the center of mass remains at rest or move with a constant velocity.
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When external forces acting on a body are zero, then its centre of massa)remains stationaryb)moves with uniform velocityc)either remains stationary or moves with uniform velocityd)none of theseCorrect answer is option 'C'. Can you explain this answer?
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