Driving test (Unit 3)

In order to keep a vehicle in a turn without allowing centrifugal force to pull the car out, what should you not do?

Accelerate while turning

Friction is ____ if your tires are over inflated or are worn smooth. This makes it ___ for you to stop your vehicle

Decreased, harder

Gravity ____ your kinetic energy when you are driving uphill and ____ it when you are driving downhill

Decreases, increases

(T/F) Road surface changes due to: (a) ice (b) rain (c) snow (d) oil and diesel fuel buildup, or (e) sand or dirt will reduce the traction of your tires. This does not affect the control of your vehicle

False

If there were two cars, both the same model, and one was traveling 30 mph faster than the other, which car has more force?

The faster car

What is he purpose of barrels filled woth sand in front of an abutment (such as support for highway over pass)?

To reduce the force of impact on your vehicle by allowing you vehicle to travel farther than if it hit the abutment directly

If you are parking facing downhill, you should always turn your front wheels ____ the curb or side of the road

Towards

(T/F) the force of a vehicle increases as its momentum increases

True

When should you always engage your parking brake?

When parking on an incline

What is the best protection against injury if you have an accident?

Your seatbelt