Simple machines

Simple machines

Lever- a machine that you can pull to move something

Inclined plane- a flat surface set at an angle used to help raise or lower objects.

Wedge-  a simple machine that has a thick end and a thin end.

Pulley- a grooved wheel with a rope or chain running along the groove.

Wheel & axle-  a large wheel with a rod called an axle through its center.

Screw-  a simple machine that is an inclined plane wrapped around a central cylinder to form a spiral.

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