What effort will a machine of efficiency 90% apply to a load of 180N if its efforts arm is twice as long as its load arm? - SchoolNGR

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What effort will a machine of efficiency 90% apply to a load of 180N if its efforts arm ...

What effort will a machine of efficiency 90% apply to a load of 180N if its efforts arm is twice as long as its load arm?

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A 100N
B 90N
C 80N
D 120N

Correct Answer: Option A

Explanation:

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