Lesson 1, Lesson 2 The Force of Gravity, Lesson 3 Inertia and Energy, Lesson 4 The Force of Friction, Lesson 5 Centrifugal and Centripetal force, Lesson 6 Force of Impact: Module 3 unit 3 Drivers Ed Question and Answers
It is important to understand the effects of ______________ Laws on vehicle stability, stopping distance, and crash forces.
Quizlet Drivers Ed Answers Chapter 4 Chapter 7 - Driver's Ed Workbook Answers. Controlled intersection. Stale green light.
ANSWER: Physical
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Gravity, inertia, momentum, kinetic energy, and centrifugal force are all ____________ forces a driver must deal with.
ANSWER: Natural
By not understanding the effects of natural forces you could lose control of your vehicle.
ANSWER: True
There can be certain types of accidents that can be caused by misjudging the various natural forces at play on the roadway. Pick the two natural forces below that could cause an accident.
ANSWER: Wet or icy roads
Some of the natural forces in a vehicle are _____________.
ANSWER: Friction, Kinetic Energy, and Centrifugal Forces (All of the above)
The force of gravity ______ speed when going uphill and ______ speed when going downhill.
ANSWER: decreases; increases
If you are parked on an incline with a manual transmission vehicle and your vehicle is facing downhill, you should put your vehicle in to ______ gear?
ANSWER: Reverse
Sport Utility Vehicles (SUVs) have a low center of gravity. This makes these vehicles more susceptible to rollovers when driving on curves or turning sharply at high speeds.
ANSWER: False-because SUVs have a high center of gravity.
______ refers to the force that pulls objects towards the center of the earth and keeps objects stationary on the ground.
_______ refers to the force that pulls objects toward the center of the Earth and keeps objects stationary on the ground.
ANSWER: Gravity
When you park and your vehicle is facing uphill and there is no curb, your wheels should be turned so that they point towards?
ANSWER: The side of the road
When you park and your vehicle is facing downhill and there is no curb, your wheels should be turned so they point towards?
ANSWER: The side of the road
In a rear-end collision the head is accelerated faster and harder than the torso, this is known as ______.
ANSWER: whiplash
To avoid whiplash, the center of the headrest must be _____ your ears.
ANSWER: higher than
Along with a headrest, wearing a ______ can help your body from traveling forward if you are involved in an accident.
ANSWER: Seatbelt
The force that a moving object has which is dependent of the speed and weight of the object is?
ANSWER: Momentum
_______ is the energy an object possesses because of its form.
ANSWER: Potential energy
The law of Inertia states objects that are moving continue to move, and alternatively objects that are static remain static, unless in both instances the objects are acted upon by another force.
ANSWER: True
The emergency/parking brake is a hydraulic system that is automatically actuated when the driver depresses the service brake pedal.
ANSWER: False
This type of skid occurs when too much steering input is applied by the motorist for a given speed resulting the front wheels skidding forward, regardless of additional steering inputs by the motorist.
ANSWER: Understeer
Tires with less than ______ of an inch of tread are sometimes referred to as 'bald' or 'balding' tires.
ANSWER: 2/32
When applied to motor vehicle operation, ______ is the force that keeps a motor vehicle's tires from slipping on the roadway surface.
ANSWER: Friction
______ traction is demonstrated when a vehicle is not moving and stable because it is parked on a flat surface.
ANSWER: Static
Centrifugal force pushes a vehicle toward the outside of a corner. Drivers must enter a corner with reduced speed to maintain control.
ANSWER: True
Gravity and centrifugal force affect our vehicle's __________.
A.) Stopping distance, vehicle control, and force of impact.
B.) Speed, braking, and steering controls our driving motion.
C.) Speed of travel when going uphill and downhill (curves, during a turn)
D.)All of these are correct
ANSWER: All of these are correct
________ Force is the force that keeps an object moving on a curved path that is directed inward towards the center of a rotation.
ANSWER: Centripetal
Threshold Braking is a braking technique that applies maximum braking, which approaches the point of wheel lock-up.
ANSWER: True
Having the correct posture and the degree or severity of braking, acceleration and steering inputs have a direct result on the ability of a motorist to effectively address changes in ________?
ANSWER: Vehicle Balance
Vehicles equipped with a driver's side airbag, do not sit closer than ___ inches from the steering wheel.
ANSWER: 10
The forces in _______ collisions with another vehicle, tree, or pillar are enormous as the momentum and built up energy are released practically immediately.
ANSWER: head-on
_______ reduce the impact forces of a crash exerted upon a vehicle's occupants by allowing parts of the front of the vehicle to crush at varying rates.
ANSWER: Crumple zones
This energy is the force that needs to be dissipated in a collision.
ANSWER: Kinetic
If vehicles are the same weight, the vehicle with the _______ speed will have the greater force of impact.
ANSWER: higher
What are 2 collisions that happen in a crash?
ANSWER: The car with an object and the driver with the inside of the car.
True or False: Perception distance, reaction distance, and braking distance make up total stopping distance.ANSWER: TRUE
True or False: Your braking distance decreases if you are going downhill.
ANSWER: False, your braking distance increases if you are going down hill
True or False: Braking is a result of friction between brake linings and your foot.
ANSWER: False, brake lining and pad
True or False: Braking distance is greater on a smooth road.
ANSWER: False, braking distance is greater on unpaved roads
True or false: Vehicle braking distance is the distance your vehicle travels after you see a problem and before you apply the brakes
ANSWER: False, it is the distance your vehicle travels until a stop, after application of brakes
True or False: Braking distance is the distance it takes from the moment you see a problem until your vehicle is stopped
ANSWER: False, it is the distance your vehicle travels until stop, after application of brakes
True or false: Total stopping distance is the distance it takes from the moment you see a problem until your vehicle is stopped
ANSWER: False, it is from the time you see & respond to a problem until your vehicle is stopped
True or false: The condition of the road surface affects total stopping distance
ANSWER: TRUE
True or False: If you double your speed, your stopping distance increases.
ANSWER: TRUE
Drivers Ed Chapter 4 Answers
You should _______ your following distance as your visibility decreases as the weather gets worse.
ANSWER: increase
True or False: You should keep a minimum of 3 seconds of following distance, and 4 to 5 seconds at speeds of 40 mph or more.
ANSWER: TRUE
True or False: During periods of extreme glare, you should decrease your following distance
ANSWER: False, increase
True or False: When driving behind a cyclist, reduce your following distance.
ANSWER: False, stay back
True or False: You should decrease your following distance when driving behind a truck.
ANSWER: False, be far back so they can see you
Drivers Ed Chapter 4 Answer Key
True or False: When driving at night, you should increase your following distance to 1 second.Drivers Ed Chapter 4 Review Answers
ANSWER: False, increase driving distance by 4 to 5 seconds