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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Laws of Motion
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Sand is dropped on a conveyor belt at rate of M kg/s Force necessary to keep the belt moving with a constant velocity v m/s will be

\[(a)\;zero \quad (b)\;Mv\;N \quad (c)\;2\;Mv\;N \quad (d)\;\frac{Mv}{2}\;N\]

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