Stopping distances Flashcards

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1
Q

What is thinking Distance?

A

distance travelled between the moment the driver spots a reason to stop till the break are applied

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2
Q

What is Braking distance?

A

distance travelled between the moment the brakes are applied till the vehicle stops.

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3
Q

Equation for thinking Distance

A

Thinking distance = Reaction time x Speed

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4
Q

What factors can affect the driver’s reaction time?

A

-Tiredness
- Alcohol
- Drugs

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5
Q

What is the relationship between barking distance and initial speed (U)?

A

D α u^2

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6
Q

Why is braking distance directly proportional to the Intial speed squared?

A

-Because in order for a vehicle to come to a complete stop , its kinetic energy has to be dissipated by the brakes and Ke = 1/2mv^2

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7
Q
A
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