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Sand is being dropped on a conveyer belt at the rate of M kg/s.

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Sand is being dropped on a conveyer 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

(a)  Mv/2 newton

(b) zero

(c) Mv newton

(d) 2 Mv netwon

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1 Answer

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Best answer

Correct option (c) Mv newton

Explanation:

To keep the conveyer belt moving at v m/s,

force needed = vM newton.

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