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NEET2008PhysicsCenter of Mass, Momentum and CollisionActual

Sand is being dropped on a conveyor belt at the rate of M kg / s . The force necessary to keep the belt moving with a constant velocity of v ~m / s will be

Options

  1. AZero
  2. BM v newton
  3. C2 M v newton
  4. DM v 2 newton

Correct answer

B. M v newton

Step-by-step solution

Force =v d u d t =M v

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