How does machine make work easier
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There are three ways simple machines make work easier: by increasing the distance through which force is applied, by changing the direction of applied force, or by multiplying force of speed of the energy applied.
The wheel and axle is a machine in which the wheel is attached to a central axle. This means that if the wheel turns, the axle must turn, and if the axle turns, the wheel must turn. Turning the wheel a greater distance produces a short and more powerful movement at the axle. Turning the axle a shorter distance moves the wheel a greater distance.
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