Motion Definitions Flashcards
1
Q
Vector
A
Physical quantity that has both magnitude and directions
2
Q
Scalar
A
A physical quantity that has a 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 the path travelled (scalar quantity)
5
Q
Displacement
A
Change in position (vector quantity)
6
Q
Speed
A
The rate of change of distance
7
Q
Velocity
A
The rate of change of position/displacement (vector quantity)
8
Q
Acceleration
A
The rate of change of velocity
9
Q
Position
A
Location of an object relative to the reference point
10
Q
Instantaneous velocity
A
The rate of change of position for a time interval which is very small (almost zero)
