Derive the relation between MA, VR and ņ in a simple machine
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Explanation:
Let a machine overcome a load L by the application of an effort E. In time t, let the displacement of effort be dE and the displacement of load be dL.
Work input = Effort X displacement of effort
= E X dE
Work output = Load X displacement of load
= L X dL
Thus, mechanical advantage of a machine is equal to the product of its efficiency and velocity ratio.
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