Driving Safely Flashcards
By what factor do you increase the force of impact when you double the speed of your car?
Four
By what factor do you increase the force of impact when you triple the speed of your car?
Nine
What do speed limit signs tell you?
The maximum safe speed when both weather conditions and visibility are favorable
Are you allowed to drive up to 10MPH over the speed limit?
No
What is the standard speed limit in a school zone?
20mph
What is the standard speed limit in a municipal, business, or residential area?
30mph
What is the standard speed limit on a street or highway?
55mph
What is the standard speed limit on a limited access highway?
70mph
What is the minimum speed limit on a highway when the posted limit is 70mph?
50mph
What is perception distance?
How far a vehicle travels from the time you see a hazard to the time your brain recognizes it
What is the average perception time for an alert driver?
3/4 to 1 second
What is reaction distance?
How far a vehicle travels from the time your brain recognizes a hazard to the time you hit the brakes
What is braking distance?
How far the vehicle travels while breaking
What is the total stopping distance?
The sum of perception, reaction, and braking distance? At 50mph, it is roughly the length of a football field
How do you stop smoothly?
Check mirrors and blind spots for rear traffic, release accelerator to let vehicle slow, and apply steady pressure to break pedal