Q. When a body like earth is moving in a circular path the work done in that case is zero because:
  • (A) Centripetal force acts in the
  • (B) Centripetal force acts along the radius of circular path
  • (C) Gravitational force acts along the radius of circular path
  • (D) Centrifugal force acts perpendicular to the radius of circular path
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✅ Correct Answer: (B) Centripetal force acts along the radius of circular path

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