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CMSScience8-Unit6
Term | Definition |
---|---|
Acceleration | Change of an object's speed or direction |
Air Resistance | An opposing or slowing force caused by air |
Inertia | The tendency of a physical object to remain still or continue moving, unless force is applied |
Net Force | The sum of all the forces acting on an object |
Law of Force & Acceleration (2nd Law) | Acceleration of an object depends on the object's mass and magnitude of the force acting upon it (F=ma) |
Law of Action-Reaction (3rd Law) | For every action there is an equal and opposite reaction |
Law of Inertia (1st Law) | An object at rest stays at rest, or an object in motion stays in motion until balanced forces act upon it |
Speed | The measurement of the rate of change of position with respect to time |
Velocity | Measurement of speed and direction of an object |