P9 Motion Flashcards
1
Q
Acceleration
A
Its change of velocity per second
2
Q
What is the gradient of a line on a graph
A
Represents the acceleration
3
Q
How to find gradient of a line
A
The height of the triangle
_____________________________
The base of the triangle
4
Q
What is a tangeant on a line graph
A
A straight line that touches the curve without cutting through it
5
Q
When is the acceleration of a velocity-time graph 0
A
When there’s a horizontal line
6
Q
How to find deceleration on a velocity-time graph
A
A negative gradient
7
Q
What is the area under the line
A
Represents distance travelled