Dynamics 1

Question 1

What is the difference between vector and scalar quantity

Answer 1

Scalar has magnitude only, vector has magnitude and direction.

Question 2

What is displacement

Answer 2

distance in straight line from start point to end point

Question 3

What is uniform acceleration

Answer 3

When acceleration remains constant

Question 4

What is deceleration

Answer 4

Negative acceleration

Question 5

What does the gradient of a displacement time graph give

Answer 5

velocity

Question 6

WHat does the gradient of a velocity time graph give

Answer 6

acceleration

Question 7

WHat does the area under a velocity time graph give

Answer 7

distance travelled

Question 8

how to find the magnitude and direction of a vector

Answer 8

magnitude: pythagoras
direction: trigonometry