1.Give a relation between mechanical advantage, efficiency and velocity ratio.
and another question is there
2.why is mechanical advantage less than the velocity ratio of an actual machine?
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real machine is always less than itsvelocity ratio(V.R) becausemechanical advantage decreases due to the friction and weight of moving parts of the machine whereas thevelocity ratio remains constant. ... Because of friction, air resistance, this Ideal situation would never be achieved.
Why is the mechanical advantage (
Why is the mechanical advantage (
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