stopping distance.

Question 1

define thinking distance.

Answer 1

distance the vehicle travels during the drivers reaction time.

Question 2

define braking distance.

Answer 2

distance the vehicles travels under the breaking force. distance the vehicle travels with the brakes applied.

Question 3

define stopping distance.

Answer 3

thinking distance + braking distance.

Question 4

what factors affect stopping distance?

Answer 4

tiredness, alcohol/ drugs, distractions, speed, road conditions (eg: wet, ice), vehicle maintenance (brakes, tyres.)

Question 5

what is the typical reaction time of an average adult?

Answer 5

0.2 to 0.9 seconds.

Question 6

factor: tiredness, what does it affect: thinking or braking distance and the reason why?

Answer 6

thinking distance.
increased reaction time.

Question 7

factor: alcohol/ drugs , what does it affect: thinking or braking distance and the reason why?

Answer 7

thinking distance.
increased reaction time.

Question 8

factor: distractions, what does it affect: thinking or braking distance and the reason why?

Answer 8

thinking distance.
increased reaction time.

Question 9

factor: speed, what does it affect: thinking or braking distance and the reason why?

Answer 9

thinking and breaking distance.
travel further during reaction time. more kinetic energy to transfer.

Question 10

factor: road conditions, what does it affect: thinking or braking distance and the reason why?

Answer 10

breaking distance.
less friction.

Question 11

factor: vehicle maintenance , what does it affect: thinking or braking distance and the reason why?

Answer 11

breaking distance.
less friction.