1
Q
vector
A
a physical quantity that has both magnitude and direction
2
Q
scalar quantity
A
physical quantity that has magnitude only
3
Q
resultant vector
A
The single vector which has the same effect as the original vectors acting together
4
Q
distance
A
the length of path travelled (e.g. of a scalar quantity)
5
Q
displacement
A
change in position (e.g. of vector quantity)
6
Q
speed
A
the rate of change of distance (scalar quantity)
7
Q
velocity
A
the rate of change of displacement (vector)
8
Q
acceleration
A
the rate of change of velocity
