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MHT CET202016 Oct 2020Morning ShiftPhysicsRotational MotionActual

If there is a change of angular momentum from 1J-s to 4J-s in 4 second, then the torque is

Options

  1. A1 ~J
  2. B( 3 4 ) J
  3. C( 5 4 ) J
  4. D( 4 3 ) J

Correct answer

B. ( 3 4 ) J

Step-by-step solution

L ₁=1 ~J ~s ~L ₂=4 ~J ~s t =4 = 4-1 4 = 3 4 ~J

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