NEET Physics Friction MCQ Question
A block of mass 5 kg is placed on a horizontal surface. The maximum static frictional force between the block and the surface is 30 N. What is the coefficient of static friction?
0.6
0.5
0.4
0.3
Correct Answer
Detailed Explanation
The maximum static frictional force is given by f_s = μ_s * N where N = mg. Here, N = 5 * 9.8 = 49 N. Solving 30 = μ_s * 49 gives μ_s = 0.6.
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