position
the location of an object
Velocity
the speed and direction of a moving object
Acceleration
The rate at which velocity changes
Displacement
the change in position of an object
Vector Quantity
A physical measurement that contains directional information
Scalar Quantity
A physical measurement that does not contain directional information
Speed
Distance travelled per unit time
Instantaneous Velocity
the speed and direction of an object at a particular instant
Average Velocity
the total displacement divided by the time interval during which the displacement occurred