P.S. ch11 vocab motion

Front

Motion

Back

Change in position

Front

Reference point

Back

A place or object used for comparison to determine if an object is in motion

Front

Relative motion

Back

Movement in relation to a frame of reference

Front

Distance

Back

The length of a path between two points

Front

Displacement

Back

Distance and direction of an object's change in position from the starting point.

Front

Scalar quantity

Back

A quantity that can be described by magnitude only and has no direction

Front

Vector quantity

Back

A quantity that has both magnitude and direction

Front

Speed

Back

Distance/time

Front

Average speed

Back

Total distance divided by total time

Front

Velocity

Back

Speed in a given direction