Study Guide Simple Machines
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Created by:
NikkiManning on December 7, 2011
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16 terms
Terms | Definitions |
|---|---|
 Effort Force | a force put into a simple machine |
| Energy | the ability to do work or to cause changes in matter |
| Force | a push or a pull |
| Work | to apply a force that makes an object move |
| load | the object being lifted or moved by a simple machine |
| simple machine | a machine with few parts |
| compound machine | a machine made up of two or more simple machines |
| Wheel and Axle | One part is shaped like a circle, and the other part is a rod that passes through the center |
| inclined plane | a flat, slanted surface |
| wedge | two inclined planes back to back |
| gear | a wheel with teeth |
| screw | an inclined plane twisted into a spiral |
| lever | a bar that can pivot on a fixed point called the fulcrum |
| fixed pulley | the wheel of this simple machine is attached to something so it cannot change position |
| movable pulley | the simple machine is not attached to anything.It increases the force to move an object, but it does not change the direction of the force |
| Time and Energy | Two things you can save by using tools |
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