A machine has a velocity ratio of 5. It requires a 50kg weight to overcome a 200kg weight. The efficiency is
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Correct Answer: Option E
Explanation:
Efficiency = M.A x 100%
= \(\frac{200}{50}\) x \(\frac{1}{5}\) x 100
= 80%
Efficiency = M.A x 100%
= \(\frac{200}{50}\) x \(\frac{1}{5}\) x 100
= 80%