Dynamics 1 Flashcards
1
Q
What is the difference between vector and scalar quantity
A
Scalar has magnitude only, vector has magnitude and direction.
2
Q
What is displacement
A
distance in straight line from start point to end point
3
Q
What is uniform acceleration
A
When acceleration remains constant
4
Q
What is deceleration
A
Negative acceleration
5
Q
What does the gradient of a displacement time graph give
A
velocity
6
Q
WHat does the gradient of a velocity time graph give
A
acceleration
7
Q
WHat does the area under a velocity time graph give
A
distance travelled
8
Q
how to find the magnitude and direction of a vector
A
magnitude: pythagoras
direction: trigonometry
