Motion: Scalars, Vectors, and Linear Motion
Instantaneous speed
speed of an object at one exact moment
Position
the location of an object in a given frame of reference
Average speed
total distance traveled divided by the time
acceleration
The rate at which velocity changes
Displacement
change in position of object (vector)
Average velocity
displacement divided by time
Instantaneous velocity
instantaneous speed plus direction
Distance travelled
length of entire path taken during a trip (scalar)
Magnitude
size or amount with units
Scalar
quantity with a magnitude only
Vector
quantity with magnitude and direction
Speed
rate at which something is moving (scalar)
Velocity
rate of change of position (vector)