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physics
flash cards of physics
Term | Definition |
---|---|
Force | |
Balanced Forces | Separate forces on an object that combined do not change the movement of the object. |
Unbalanced Forces | Forces on an object that cause change in the motion of the object. |
Net Force | The sum of all the forces acting on an object. |
Speed | The rate of change of position |
Friction | Force that opposes the motion of one surface across another. |
Direction | A straight path that an object can move along. |
Motion | The change in an object’s position with respect to time and in comparison to the position of other objects used as reference points. |
At Rest | The state of an object when it is not in motion. |
Frame of Reference | A system that uses axes or background objects to measure the position or movement of an object. |
Velocity | Measurement of speed and direction of an object. |