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Simple Machines
Beginning of essay
Definitions:
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 ....
Middle of essay
....rt, 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 wedge is a inclined .... |
| Number of words: 586 |
Approximate pages: 3 |
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