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

Aipmt/Neet 2008 NLM
Q 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 (a) Mv/2 (b) Zero (c) 2Mv (d) Mv


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