Practically, the work output of a machine is _______ the work input due to the effect of friction.
Why is the work output of a machine never equal to the work input?
always more than
opposite to
always less than
always zero to
Why is the work output of a machine never equal to the work input?
Megha Chandrashekar is a former Special Education Assistant who now spends her days running after her toddlers, all the while pursuing a freelance writing career