A machine has an efficiency of 60%. If the machine is required to overcome a load of 30 N with a force of 20 N calculate its mechanical advantage? - SchoolNGR

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A machine has an efficiency of 60%. If the machine is required to overcome a load of 30 ...

A machine has an efficiency of 60%. If the machine is required to overcome a load of 30 N with a force of 20 N calculate its mechanical advantage?

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A 0.7
B 0.9
C 1.5
D 2.5
E 10.0

Correct Answer: Option C

Explanation:

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