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Simple
Simple
simple machines like pulley, liver and fulcrum.
gear-box
A pulley can do that.
Simple
Simple
simple machines like pulley, liver and fulcrum.
gear-box
A pulley can do that.
A pulley can do that.
A pulley can do that.
Simple
An inclineded plane
An inclineded plane
the amount of force needed to perform the task the distance over which the force is applied the direction in which the force is applied
the amount of force needed to perform the task the distance over which the force is applied the direction in which the force is applied