click below
click below
Normal Size Small Size show me how
Ch 11 Vocab
Term | Definition |
---|---|
Frame of Reference | System of objects that are not moving with respect to one another |
Relative Motion | Movement in relation to a frame of reference |
Distance | Length of the path between two points |
Vector | Quantity that has magnitude and direction |
Resultant Vector | Vector sum of two or more vectors |
Speed | Ratio of the distance an object moves to the amount of time the object moves |
Average speed | V=D/T |
Instantaneous Speed | Rate at which an object is moving at a given moment in time |
Velocity | Speed and direction in which an object is moving |
Acceleration | Rate at which velocity changes |
Free Fall | acceleration due to change in speed |
Constant Acceleration | Steady change in velocity |
Linear Graph | Straight line |
Nonlinear Graph | Curve line |