PhysicsFrictionJAMB
A box presses on the floor with a normal reaction of 50 N. If the coefficient of friction is 0.4, find the limiting friction.
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Answer: A. 20 N
F = μR = 0.4 × 50 = 20 N.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.