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Motion
Chapter 2
| Question | Answer |
|---|---|
| distance | how far it has moved |
| displacement | distance and direction of an objects change in postition from the starting point. |
| speed | per unit second. |
| average speed | total distnce traveled dividided by the toatal time. |
| Instataneous speed | the speed at a given point in time. |
| velocity | speed of an object and the direction of its motion. |
| acceleration | rate of change of velocity |
| Force | a push or pull |
| net force | two or more forces act on an object at the same time. |
| balanced forces | forces on an object that are equal in size and opposite in direction. |
| Inertia | object to resist ny change in its motion. |