MHT CET · Physics · Laws of Motion
A conveyor belt is moving with constant velocity (V). Sand is being dropped on the belt at the rate of \(\mathrm{M} \mathrm{~kg} / \mathrm{s}\). The force necessary to keep the belt moving with a constant velocity \(\mathrm{V} \mathrm{m} / \mathrm{s}\) will be
- A \(\frac{\mathrm{MV}}{2} \mathrm{~N}\)
- B 2 MV N
- C Zero N
- D MV N
Answer & Solution
Correct Answer
(D) MV N
Step-by-step Solution
Detailed explanation
\(F = V \frac{dm}{dt}\) \(F = MV \mathrm{~N}\)
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