U1.4 Linear Motion Flashcards
1
Q
What is displacement
A
The distance moved in a particular direction
2
Q
Definition of speed
A
The distance moved per second
3
Q
Definition of velocity
A
The displacement per second
4
Q
Definition of acceleration
A
The rate of change of velocity/speed with Time
5
Q
What does the gradient of a velocity time graph equal
A
Acceleration
6
Q
What does the gradient of a displacement time graph equal
A
Velocity
7
Q
For an object to move at uniform velocity what must happen
A
It’s displacement must increase by equal amounts in equal times
8
Q
What are the letters we use for the equations of motion
A
S
U
V
A
T
9
Q
What is the value of gravity
A
9.81
10
Q
What does the area under a velocity time graph equal to
A
Displacement