VPM Flashcards
1
Q
Position
A
A vector quantity that points from the reference point as the origin
2
Q
Distance
A
The length of path travelled
3
Q
Displacement
A
A change in position. It is the vector from the initial to final position.
4
Q
Speed
A
The rate of change of distance
5
Q
Velocity
A
The rate of change of position OR The rate of change of displacement
6
Q
Acceleration
A
The rate of change of velocity
7
Q
Free fall
A
An object is in free fall if the only object acting on it is gravitational force
8
Q
Gravitational acceleration
A
The acceleration an object will experience due to gravity. On Earth it has a constant velocity of 9.8ms-² downwards
9
Q
Terminal velocity
A
The maximum velocity a falling body reaches when air resistance prevents it from accelerating further.
