Compound Machines

Simple and Compound Machines (1998)

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When "Hardware Hal" holds a "Simple and Compound Machines Sale" he demonstrates to his assistants the six simple machines: the lever, wedge, inclined plane, pulley, wheel & axle, and screw. Shows how these machines make work easier by changing force, direction, or distance.

Grade Level: 
Elementary
Length: 
00:20
Simple and Compound Machines