Compound Machines.

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Presentation transcript:

Compound Machines

COMPOUND MACHINES A compound machine is a combination of two or more simple machines that operate together. 2

COMPOUND MACHINES Many familiar compound machines, such as a car, a washing machine, or a clock, are combinations of hundreds or thousands of simple machines. 3

Compound Machine Corkscrew Inclined Plane Wedge Screw Lever Wheel and Axle

Compound Machine Jack Inclined Plane Wedge Screw Lever

A Wedge in a Compound Machine: Stapler Staples are wedges: they cut through paper because their ends are pointed in a wedge shape. Simple machines in a stapler: Wedge Lever

A Wedge in a Compound Machine: Scissors The cutting edge of scissors is a wedge. Simple machines in a pair of scissors: Wedge Lever

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