PhysicsEquilibrium of forcesJAMB
A uniform metre rule balances at the 50 cm mark. A 30 N weight hangs at the 20 cm mark. What weight at the 70 cm mark keeps the rule balanced?
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Answer: D. 45 N
Moments about 50 cm: 30 × 30 = W × 20, so W = 45 N.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.