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PS Ch2
Vocabulary
Term | Definition |
---|---|
Average Speed | Total distance an object travels divided by the total time it takes to travel that distance |
Displacement | Distance and direction of an object's change in position from the starting point |
Distance | How far an object moves |
Instantaneous speed | Speed of an object at a given point in time; is constant for an object moving with constant speed, and changed with time for an object that is slowing down or speeding up |
Speed | Distance an object travels per unit of time |
Veloicty | The speed and direction of a moving object |
Acceleration | The rate of change of velocity |
Force | A push or pull |
Net Force | Sum of the forces that are acting 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 a change in its motion |