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A 100kg box is pushed along a road with force of 500N. If the box moves with a u...


Question

A 100kg box is pushed along a road with force of 500N. If the box moves with a uniform velocity, the coefficient of friction between the box and the road is

Options

A) 0.4

B) 1.0

C) 0.8

D) 0.5


The correct answer is D.

Explanation:

Coefficient of friction μ = F/R = F/mg = 500/1000 = 0.5
∴ μ = 0.5

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