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# 5th Motion FK2

### Simple Machines

Simple Machine a machine with few or no moving parts. There are six: lever, screw, wheel and axle, pulley, inclined plane, and wedge. Simple machines will either change the size of the effort force or the direction of the effort force.
Lever a simple machine made up of a bar that turns around a fixed point
Fulcrum the fixed point, or point that doesnâ€™t move on a lever; the point where a lever rocks back and forth and rest upon: center of the seesaw; the rim of a can being openned; using a crowbar to remove a nail, then the wood where the bar rest is the fulcrum.
Effort Force the force put on one part of the bar when you push or pull on a lever
Work that which is done on an object when the force moves an object through a distance
Pulley a simple machine made up of a rope or chain and a wheel around which the rope fits
Wheel and Axle a simple machine made up of a large wheel attached to a smaller wheel or rod; It will increase the effort force.
Inclined Plane a flat surface with one end higher than the other
Screw an inclined plane wrapped around a pole
Wedge a machine made up of two inclined planes pieced back to back
Force any push or pull
Gravity the attraction or pulling force between objects and the Earth.
Friction the force that slows down or stops objects in motion
Created by: ekahl5

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