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SC: Forces Motion

CH 6; L1-3

QuestionAnswer
Force A push or a pull.
Frame of Reference The objects you use for comparison.
Friction A force that slows or stops motion between two surfaces that are touching.
Gravity A force that pulls objects toward each other.
Inclined Plane Simple machine made up of a slanted surface.
Lever A simple machine made up of a stiff bar that moves freely around a fixed point.
Motion A change in an object's position when compared with objects around it.
Position An object's location or place.
Pulley A simple machine made up of a rope fitted around the rim of a fixed wheel.
Screw A simple machine made up of an inclined plane wrapped around a column.
Simple Machine A device that changes a force.
Speed A measure of the distance an object travels in a certain amount of time.
Velocity A measure of speed in a certain direction.
Wedge A simple machine made up of two inclined planes.
Wheel and Axle A simple machine made up of two cylinders that turn on the same axis.
Created by: debiza
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