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Explain velocity ratio. Explain and define the efficiency of a machine​
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Explain velocity ratio. Explain and define the efficiency of a machine​

User Uttam Dutta
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Velocity ratio is also defined as the ratio of a distance through which any part of a machine moves, to that which the driving part moves during the same time. An object has a mechanical advantage if it exerts a force higher than the velocity ratio.
User Sam Ramezanli
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