9.2 Motion Flashcards
1
Q
Distance unit
A
Metres
2
Q
Displacement unit
A
Metres
3
Q
Speed unit
A
Metres per second
4
Q
Velocity unit
A
Metres per second
5
Q
Acceleration unit
A
Metres per second squared
6
Q
Scalar vs vector
A
A scalar quantity has magnitude only. A vector quantity has both magnitude and direction.
7
Q
What is displacement?
A
The displacement of an object is the distance travelled in a specific direction.
8
Q
What is velocity?
A
The velocity of an object is the speed of an object in a specific direction
9
Q
Equation for average speed distance and time
A
Average speed = distance travelled
————————
. Time taken
10
Q
Equation that links acceleration, final velocity, initial velocity and time
A
A= v-u
—-
T
