PhysicsFrictionJAMB
A 20 kg box is pulled across a level floor at constant speed by a horizontal force of 60 N. Find the coefficient of kinetic friction. [g = 10 m/s²]
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Answer: C. 0.3
At constant speed friction = 60 N; μ = 60/200 = 0.3.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.