simple machines edu

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Machines make work easier.

This is a simple machine.A lever

Machines make work easier.

This is a simple machine.A pulley.

Machines make work easier.

This is a simple machine.Inclined plane.

Machines make work easier.

This is a simple machine.Screw.

Machines make work easier.

This is a simple machine.Wheels and axle.

Machines make work easier.

This is a simple machine.Wedge.

Simple machines have 1,2,3 or 4 pieces.