REVISION

What two parts make up the stopping distance of a vehicle?

State three things that increase the thinking distance?

State three things that increase the braking distance?

Calculate the distance traveled whilst accelerating

Speed (m/s)

Time (s)

0 155

20

What motion does the graph show

DISTANCE

Time

Explain how to calculate the resultant force on this car

800 N 600 N

Describe the motion of the bike?

What type of motion is shown on the graph?

DISTANCE

Time

Why will the bike out accelerate the Porsche?

What is happening in the distance time graph at point B?

DISTANCE

Time

A

B

C

Explain how to calculate the acceleration.

Mass 4000 kg

Engine force 2000 N

Which part shows the fastest speed and why?

DISTANCE

Time

A

B

C

What is happening in the arrowed section?

DISTANCE

TIME

Calculate the distance traveled whilst at constant speed

Speed (m/s)

0 155

20

Describe the motion on the graph

SPEED

TIME

What are the relative speeds?

12 m/s 8 m/s

22 m/s10 m/s

Explain how to calculate the acceleration

SPEED

TIME

20

5

Calculate the speed of the Mini

Car Dist (m) Time (s)

Mini

Focus

200

100

20

5