Chapter 3

Which surface provides the greatest amount of traction?

Snow

How many seconds ahead should you identify a planned path of travel

12 to 15 seconds

What is a safe following distance under most conditions?

3-4 seconds

At what minimum speed can hydroplaning occur?

35mph

How much stopping distance does a vehicle need if it's speed double?

4

What is inertia?

Doing nothing and will remain unchanged unless something moves it

Which way does the weight of the vehicle shift when braking hard?

Front

How much distance is needed to stop the vehicle is a vehicles speed doubles?

Increases by 4

What is the amount of energy needed to propel a vehicle called?

Kinetic, Inertia, Gravity

What maximizes traction and minimizes wight shifts?

Larger contact path

The __ a tire's contact patch, the __ traction the tire has the road surface?

Larger, more and smaller, less

How are the contact patches of a cars tires affected when turning

Left side tires

What is a product of mass and velocity which describes how much motion an object has?

Momentum

What is visual reference?

Part of car used for roadway, how you see something

How does gravity affect braking distance when driving downhill?

Shortens braking distance

How can you prevent hydroplaning?

Slow down and monitor water

What is traction?

The adhesion, friction, or grip between the tires and the road surface.

What causes a transfer of weight from one point of the vehicle to another?

Turning

What 3 factors determine the g-force of impact of moving objects?

Weight, speed, length of time between the crash and stop

What does D represent in safe drivers: R.E.A.D the road?

big donut of space around you