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?

By: |Published on: Nov 14|Categories: Physics JAMB| 0 comments

A. 0.4
B. 1.0
C. 0.8
D. 0.5

Correct Answer:

Option D = 0.5

Explanation

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

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