PhysicsFrictionJAMB
A 5 kg block is pulled along a floor by a horizontal force of 30 N against a friction force of 10 N. Find its acceleration.
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Answer: C. 4 m/s²
Net force = 30 − 10 = 20 N; a = F/m = 20/5 = 4 m/s².
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.