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Chapter 2 - A.G.
Vocab.
| Term | Definition |
|---|---|
| distance | how far an object moves |
| displacement | distance and direction of an object's change in poition form the starting point |
| speed | distance an object travels per unit of time |
| average speed | total distance an object travels divided by the total time it takes to travel that distance |
| instantaneous speed | speed of an object at a given point in time; is constant for an ovject moving with constanct spped, and changes with time for an object that is slowing down or speeding up. |
| velocity | the speed and direction of a moving object |
| aceleration | rat of change of velocity; can e calculated by dividing the change in the velocity by the time it takes the change to occur |
| force | a push or pull exerted on an object |
| net force | sum of the forces that are actin on an object |
| balanced force | forces on a object that combine to give a zero net force and do not change the motion of the object |
| inertia | resistance of an object to change in its motion |