Motion Flashcards
1
Q
displacement
A
vector quantity; the distance an object travels in a particular direction
2
Q
vector
A
a quantity with magnitude and direction
3
Q
scalar
A
a quantity with magnitude but no direction
4
Q
instantaneous speed
A
the speed at the moment it is measured
5
Q
average speed
A
the rate of change in distance calculated over a complete journey
6
Q
instantaneous velosity
A
the velocity at the moment it is measured
7
Q
average velocity
A
the change in displacement for a jounrey divided by the time taken
8
Q
instantaneous acceleration
A
acceleration at a specific time during motion
9
Q
average acceleration
A
rate of change in velocity
