Motion

Question 1

What is distance?

Answer 1

How far an object moves

Question 2

What is speed?

Answer 2

Rate of change of distance

Question 3

What is the typical speed of walking?

Answer 3

1.5 m/s

Question 4

What’s the typical speed of running?

Answer 4

3 m/s

Question 5

What’s the typical speed of cycling?

Answer 5

6 m/s

Question 6

What’s the typical speed of a car?

Answer 6

13-30 m/s

Question 7

What’s the typical speed of a train?

Answer 7

50 m/s

Question 8

What’s the typical speed of an aeroplane?

Answer 8

250 m/s

Question 9

Give the equation for speed

Answer 9

Distance travelled / time taken

Question 10

What is speed (v) measured in?

Answer 10

M/s

Question 11

What does a ruler measure? (For speed)

Answer 11

Distance

Question 12

What does a stopwatch measure?

Answer 12

Time

Question 13

What do light gates measure?

Answer 13

Size and time

Question 14

What is acceleration?

Answer 14

The rate of change of velocity

Question 15

Give the equation for acceleration

Answer 15

Change in velocity / time taken

V-U / t

Question 16

What is acceleration (a) measured in?

Answer 16

M/s ^2

Question 17

What is the typical acceleration of running?

Answer 17

2 m/s

Question 18

Give the typical acceleration of a family car

Answer 18

1-7 m/s

Question 19

Give the typical acceleration of a motorbike

Answer 19

1-10 m/s

Question 20

What is the typical acceleration of a rollercoaster?

Answer 20

30-60 m/s

Question 21

Give the typical acceleration of a formula one car

Answer 21

49 m/s

Question 22

Go over velocity graphs

Question 23

Give the equation for final velocity

Answer 23

(Final velocity)^2 -(initial velocity)^2 = 2 X acceleration X distance
V^2-U^2 = 2as

Question 24

When will an object accelerate?

Answer 24

If a resultant force acts on it

Question 25

What’s a centripetal force?

Answer 25

A force needed for circular motion- acts towards the centre of a circle