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Beginning of Paper
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Simple Machines
Machine- A device that makes work easier by changing the speed , direction, or
amount of a force.
Simple Machine- A device that performs work with only one movement. Simple
machines include lever, wheel and axle, inclined plane, screw, and wedge.
Ideal Mechanical Advantage (IMA)- A machine in wh ....
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Middle of Paper
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.... is a broom. Your hand is the fulcrum and when you sweep it is a lever. A
lever consist of a fulcrum, effort, and resistance. A pulley is used to lift or
pull objects with a advantage. To get a advantage it matters how many lines are
going to the load. For example if there is 3 lines to the load it is a 3/1
advantage. A inclined plain is used to lift an object easier but with more work.
Instead of lifting it straight up you push it a greater distance but with less
force. A screw is a inclined plain wrapped around a cylinder post. Its like a
ramp around the screw.
A wedg ....
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SUBJECTS
