DEFINITION:

• Any of various elementary mechanisms formerly considered as the elements of wich all machines are composed and includind the lever, the wheel and axle, the pulley, he enclined plane, the wedge, and the screw.

WHAT ARE SIMPLE MACHINES MADE FOR?

• Simple machines are made to make difficult jobs less complicated and easier.

PULLEY

• Pulleys help pull or lift things.

SCREW

• Screws help split through would and support things like beams.

WEDGE

• Have you ever seen a wedge at a senior home? They are sometimes also used to help lift people in wheel chairs.

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