Derive the relation between ma,vr and efficiency of a machine
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As velocity ratio or ideal mechanical advantage is a simple ratio of two distances, it also does not have the unit. The friction is not involved in it. ... If the frictional force in the machine increases the efficiency decreases because machines are frictionless in practice, the efficiency of a machine can never be 100%.
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Hey mate here is ur answer...
As velocity ratio or idealmechanical advantageis a simple ratio of two distances, it also does not have the unit. The friction is not involved in it. ... If the frictional force in the machineincreases the efficiency decreases because machines are frictionless in practice, the efficiency of a machinecan never be 100%
Hope it helps you...
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