What are the 6 simple machines for Rube Goldberg?
There are three main types of pulleys: fixed, movable, and compound. A fixed pulley's wheel and axle stay in one place. A good example of a fixed pulley is a flag pole: When you pull down on the rope, the direction of force is redirected by the pulley, and you raise the flag. The 6 Simple Machines are: wedge, screw, lever, wheel and axel ...
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