A 100kg box is pushed along a road with force of 500N. If...
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
0.4
1.0
0.8
0.5
Correct answer is D
Coefficient of friction μ = F/R = F/mg = 500/1000 = 0.5
∴ μ = 0.5
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