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  • NTSE/CBSE (Science) - 10
  • The work done by a centripetal force is always __________...
Multiple choice

The work done by a centripetal force is always ________________.

  1. negative

  2. positive

  3. zero

  4. none of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

As an object in uniform circular motion traverses half of a revolution, its centripetal force does no work, but it transfers a nonzero impulse.

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