Forces And Braking

Question 1

What happens when a vehicle travels at a steady speed? Think of the forces

Answer 1

The resistive forces balance the driving force

Question 2

What happens to the breaking force when the speed of the vehicle is high

Answer 2

The breaking force needs to be high in order to stop in a certain distance

Question 3

How do you find out the stopping distance

Answer 3

It’s the sum of the distance the vehicle travels during the drivers reaction time (thinking distance) and the distance it travels under the breaking force (breaking distance)

Question 4

What can alter a drivers thinking distance

Answer 4

Tiredness
Drugs
Alcohol

Question 5

What does the work done by the friction force between the brakes and the wheel do when the brakes of a vehicle are applied

Answer 5

It reduces the Kinetic energy of the vehicle and the temperature of the brakes increases

Question 6

What factors affect a vehicle breaking distance

Answer 6

Adverse road and weather conditions and the poor condition of the vehicle