Mechanics

Question 1

Define displacement, velocity, speed and acceleration

Answer 1

1

Question 2

Explain the difference between instantaneous and average values of speed, velocity and acceleration

Answer 2

2

Question 3

Outline the conditions under which the equations for uniformly accelerated motion may be applied

Answer 3

3

Question 4

Identify the acceleration of a body falling in a vacuum near the Earth’s surface with the acceleration g of free fall

Answer 4

4

Question 5

Solve problems involving the equations of uniformly accelerated motion

Answer 5

5

Question 6

Describe the effects of air resistance on falling objects

Answer 6

7

Question 7

Draw and analyse the distance-time graphs, displacement-time graphs, velocity-time graphs and acceleration-time graphs

Answer 7

8

Question 8

Calculate and interpret the gradients of displacement-time graphs and velocity-time graphs, and the areas under velocity-time graphs and acceleration-time graphs.

Answer 8

9

Question 9

Determine relative velocity in one and in two dimensions

Answer 9

10