How is mechanical advantage related to the velocity ratio for (i) ideal
machine (ii) a practical machine.
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For an Ideal machine, there is no loss of energy in any manner. (ii) Velocity Ratio > Mechanical advantage (MA) as efficiency is less than one. For a practical machine, output work is always less than input work as due to some loss of input energy against friction.
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Explanation:
For an Ideal machine, there is no loss of energy in any manner. (ii) Velocity Ratio > Mechanical advantage (MA) as efficiency is less than one. For a practical machine, output work is always less than input work as due to some loss of input energy against friction
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