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Force and Motion
| Term | Definition |
|---|---|
| force | a push or pull that acts on an object |
| position | the placement of an object or person |
| speed | how fast the position of an object changes with time at any given moment |
| acceleration | a change in speed; going faster |
| deceleration | when a force causes the speed of an object to decrease or slow down |
| incline | a ramp or slope |
| pendulum | something hanging from a fixed point that swings due to gravity and then out due to inertia |
| motion | the action or process of moving or of changing place or position; movement |
| inertia | the tendency of an object to resist a change in its state of motion |
| friction | a force that opposes the motion of one object moving past another |
| Newton's First Law of Motion | “An object at rest tends to stay at rest; an object in motion tends to stay in motion.” |
| velocity | the speed of a moving object taken together with its direction of travel |
| gravity | a force which tries to pull two objects toward each other |