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SLS Sci 10 motion SZ
| Term | Definition |
|---|---|
| average velocity | the rate of change in position |
| displacement | describes the straight-line distance and direction from one point to another |
| distance | a scalar quantity that describes the length of a path between two points or locations |
| position | a vector quantity that describes a specific point relative to a reference point |
| position-time-graph | when you plot the time data on the horizontal axis (called the x-axis) and the position data on the vertical axis (called the y-axis) |
| scalars | has magnitude only |
| slope | refers to whether a line is horizontal or goes up or down at an angle |
| speed | the magnitude of the velocity |
| uniform motions | travel equal displacements in equal time intervals |
| vectors | has both a magnitude and a direction |
| velocity | the displacement of an object during a time interval divided by the time interval |
| acceleration | the rate of change in velocity |
| acceleration due to gravity | 9.8m/s/s downwards |
| air resistance | a friction-like force that opposes the motion of object that move through the air |
| average acceleration | the slope of a velocity-time graph |
| change in velocity | Vf - Vi |
| constant acceleration | the object's velocity is changing at a constant rate |
| deceleration | acceleration that is opposite to the direction of motion |
| gravity | an attractive force that acts between two or more masses |
| velocity-time-graph | provides information about the object's velocity and acceleration |
Created by:
schang2
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