what is meant that Ma of simple machine is 3
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The work done in the machine is called is called input work and the work done by the machine is called output work. Velocity ratio of a lever is 3 means distance travelled by effort is 3 times the distance travelled by the load
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thework done in the machine is called input work and the work done by the machine is called output work .velocity ratio of the liver is three time distance travelled by effort is three time the distance travel by road.
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