A machine has an efficiency of 80%. If the machine is required to overcome a load of 60N with a force of 40N, calculate its velocity ratio. - SchoolNGR

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A machine has an efficiency of 80%. If the machine is required to overcome a load of ...

A machine has an efficiency of 80%. If the machine is required to overcome a load of 60N with a force of 40N, calculate its velocity ratio.

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A 0.53
B 0.83
C 1.20
D 1.50
E 1.88

Correct Answer: Option E

Explanation:

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