Motion Flashcards
0
Q
Unit of speed
A
Distance is measured in metres, time in seconds, so the speed is in metres per second (m/s)
1
Q
what is Speed?
A
The distance travelled per unit time.
(Speed = distance divided by time.
2
Q
what is velocity
A
The velocity of an object is the distance it travels per unit time, in a given direction.
3
Q
Unit of velocity
A
measured in metre per second (m/s) in a given direction.
E.g 5 m/s north, 6.5 m/s south west.
4
Q
Acceleration
A
The change in velocity per second is known as the acceleration of a body.
5
Q
Unit of acceleration
A
Acceleration is measured in metre per second per second (M/s/s) or metre per second squared. (m/s2)
