Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Hard-Class 11
Consider a diagram where a trolley of mass m is placed on a horizontal surface with a force F applied horizontally. If the coefficient of kinetic friction between the trolley and the surface is 0.04 and the acceleration due to gravity is 10 m/s², which expression correctly represents the acceleration of the trolley?
A
F / m - 0.04g
B
F / (m - 0.04g)
C
F / (m + 0.04g)
D
(F - 0.04mg) / m
Correct Answer
Option D
Detailed Explanation
The acceleration is given by the net force divided by the mass. The net force is the applied force minus the kinetic friction, which is 0.04mg. Thus, the acceleration is (F - 0.04mg) / m.
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