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PS chapter2
vocab
Term | Definition |
---|---|
Distance | How far an object Moves. |
Displacement | Distance and direction of an object's change in position from the starting point. |
velocity | The speed and |
Instantaneous speed | Speed of an object at a given point in time; is constant for an object moving with constant speed, and changes with time for an object that is slowing down or speeding up. |
Speed | distance an object travels per unit of time. |
Average Speed | Total distance an object travels divided by the time it takes to travel that distance. |
acceleration | is the rate of change of velocity. |
force | is a push or pull. |
net force | when two or more forces act on an object at the same time; the forces combine to form the NET FORCE. |
balanced forces | Forces on an object that are equal in size and opposite in direction are called balanced forces. |
inertia | is the tendency of an object to resist any change in its motion. |