AIPMT PRELIMS2008Physics-Laws of Motion
AIPMT PRELIMS 2008 Physics Conservation of Momentum MCQ Question
Type: MCQ-conceptual-Medium-Class 11
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 newton
B
zero
C
Mv newton
D
2 Mv newton
Correct Answer
Option C
Detailed Explanation
The force required is given by F = dp/dt = Mv, where dp/dt is the rate of change of momentum.
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