Drivers Ed study guide
Kinetic energy is the energy a body possesses when it is in............
A state of motion
Speed limits on curves help to reduce the effect of ........force on a vehicle.
Centrifugal
Which three gages or indicators are the most important to be aware of?
Coolant temperature gage, oil pressure gauge, and battery voltage gauge
A brick traveling at 10 MPH has less momentum (force) than a chunk of Styrofoam traveling at the same speed.
False
A person must become fixed on a given stimuli, such as pedestrian walking alongside the road, in order to maintain an awareness of the larger driving environment.
False
All passengers including the driver of a car must be restraint by a seat belt in Georgia while the car is in motion.
False
Centrifugal force can be partly overcome by leaning away from inside of the turn when driving a motorcycle or riding a bicycle.
False
Friction on the tires of a vehicle is not affected by the material used to construct the road.
False
If you have air bags in your car, you need not wear a safety belt as the air bag will protect you adequately.
False
It is legal to have three people in the front seat as long as they are adults and know how to behave themselves and not be a cause of distraction to the driver.
False
Tires do not play a role in maintaining the stability of a vehicle.
False
When it is cloudy, raining, snowing or foggy you should turn on the high beam of your headlamps to allow you to see far ahead.
False
Worn or over-inflated tires will increase the friction between your tires and the road surface, increasing the traction needed to pull out of a turn or curve without losing control.
False
Worn or over-inflated tires will increase the friction between your tires and the road surface, increasing the traction needed to start smoothly
False
You should never use your emergency flashers on highways and freeways unless you have to stop.
False
A driver does not need to know the limits of a moving vehicle in order to drive safely, as long as he drives slowly.
Flase
How does the seat belt prevent injury?
It spread the collision force across the pevlis and upper chest
Poor suspension in a vehicle affects the stability of a vehicle.
True
The force of gravity will make it easier to stop your car if you are going uphill, and more difficult to stop your car if you are going downhill.
True
The momentum of an object is proportional to its weight and speed.
True
The stability of a vehicle, especially a large vehicle, is Tires do not play a role in maintaining the stability of a vehicle.ly dependent on the height of its center of gravity above the ground.
True
Vehicle balance is how the weight of the vehicle is distributed on the tires at the point of contact with the ground.
True
How many times a year should you have a comprehensive inspection check for your car?
Twice a year
You can reduce the forces on you and your car during an unavoidable crash if you are able to redirect your path toward objects such as .....
bushes, snow, soft dirt
The purpose of fuses is to disable a .................that is drawing too much ............ This prevents a ................and protects the components that the circuit serves.
circuit, current, a fire
Good judgment is .......... to safe driving, and is involved in many of the .............. driving techniques.
critical, defensive
Friction is ______ if your tires are under-inflated
decreased
If you increase your speed from 10 MPH to 20 MPH, you ..... your car's momentum, and if you increase your speed from 10 MPH to 50 MPH, you increase your car's momentum.....times.
double, five
Manual transmission has a .................. clutch and a ........... gear selector. In manual transmission, the gears are engaged .....................
driver-operated, movable, manually.
What is one of the three functions of the peripheral vision area of a driver?
establishing color changes
When you are parked on a hill,......... causes your car to have potential energy. This energy is converted to .......... energy (motion) when your car breaks loose and rolls down the hill.
gravity, kinetic
When you have an air bag installed your hand position should be in the 9 and 3 o'clock position and your seat should be at least .... inches from the center of the steering wheel.
10
A good visual lead is ..............seconds from the front of the vehicle, focusing in the center of the path of travel.
20-30
A driver will have more time and space to exercise options by searching ........ seconds ahead, identifying objects that could require a change in speed or direction ...... seconds ahead, and possible alternative path ....... seconds in advance.
20-30, 12-15, 8-12
If you have an emergency on the roadway, you should place the emergency flares or triangles ............. to ............. feet behind your vehicle.
200, 300
........seconds provides the driver time and space to steer out of problems at all posted speeds on dry surface and brake out of problems at speeds up to 70 mph.
4
A battery should be replaced every............. years.
5
You must: (a) dim your high beams for oncoming vehicles by the time they are within _____ feet of your vehicle, and (b) dim your high beams when the vehicle you are following is within _____ feet.
500, 300
Children under............years should ride in an approved car seat or booster seat.
8
When you have an air bag installed your hand position should be in the............ and .............. o'clock position and your seat should be 10 inches from the center of the steering wheel.
9,3
Which is a feature of a good braking system ?
A good braking system has the ability to remove that heat quickly and efficiently.
What is the most common injury related with a rear-end collision ?
A neck injury such as a whiplash
In a turn, a vehicle is subject to centrifugal force which pulls the vehicle ______ the direction it wants to turn and into a straight line.
Away from
Why is it that the forces that stop your car during a crash will be greatest if you have a head-on collision with another vehicle or large immovable object, such as a bridge abutment, wall, or a tree ?
Because the momentum and kinetic energy of your car must be absorbed almost instantaneously.
Why do you need the extra cushion in front if you are stopping on a hill?
Because the vehicle ahead may roll back into your vehicle when it starts or if the driver is inexperienced.You should always increase to the proper rpm before shifting to the next higher gear.
Why is it easier to move your hand over fine sandpaper than over rough sandpaper.?
Because there is less friction caused by the surface of the fine sandpaper.
The friction on your brakes and clutch results in brake and clutch wear. If used improperly, excessive wear to the brake pads and clutch can occur. How do you prevent this from happening?
By avoiding riding the brakes, not driving with partially engaged clutches, and by using a lower gear to travel downhill
How do you avoid the loss of traction in a stop or turn ?
By driving slower
How do you avoid losing traction in a stop or turn?
By using your brakes in the correct or proper way
Forces acting on a vehicle when cornering don't just double when the vehicle speed doubles. They increase by .......... times.
Four
NHTSA sources showed that .............out of five people killed in vehicle accidents would have survived their injuries had they been wearing their seat belts.
Four
The faster a vehicle goes, the further the distance it needs to stop. If a truck's speed is doubled it will take at least ..... times the distance to stop. It will need a longer distance if the road is wet.
Four
The force of an impact to a pedestrian knocked down at 60 mph will be .... times as much as when knocked down at 30 mph
Four
In a car engine, the coolant is a mixture of water and chemicals that protects the cooling system from corrosion, lubricates the water pump, and prevents ..........
Freezing
All passengers including the driver must be restrained by a seat belt while riding in the......... seats of the car.
Front
What is not a consequence of either over or under-inflated tires?
Greater handling
Friction on the tires is ________ by the weight of your vehicle.
Increase
The _______ the center of gravity of a vehicle, the more stable the vehicle will be.
Lower
When a vehicle changes direction, as in a corner, the centrifugal force will cause the vehicle's weight to move to the .......... of the turn.
Outside
A boulder is resting on top of a hill. The boulder suddenly rolls down the hill. This is an example of
Potential energy coverting to kinetic energy
Under Georgia's Code 40-8-76 a child under 8 years of age must be buckled to an approved car sear or booster seat in the ..... seat of the car.
Rear
Traction is the result of friction between the....... and your ...... caused by the weight of the car pushing the tires against the road due to gravity
Road and tires
Drivers operating heavy, large vehicles are required to make constant steering adjustments, to compensate for several factors and situations, such as:
Simple road undulations and the effects of camber (road surfaces bending or curving upward in the middle); Cross wind Negotiating intersections and undertaking evasive maneuvers to avoid other vehicles or obstacles.
What skill is critical when pulling into a parking space and when determining a safe gap in traffic to make a left turn.
The ability to be able to judge the position of one's vehicle in relation to the fixed and moving objects in the environment
The larger the potential energy an object has
The larger the kenetic energy it will have
What is the purpose of anti-lock brakes?
The purpose of anti-lock brakes is to prevent your wheels from locking during a quick stop, so that your brakes can continue to absorb energy and you can maintain traction.
Which is not a factor in a vehicle's stability?
The type and condition of the engine
There are many factors that influence a vehicle's stability, or its tendency to roll over. The most crucial are :
The vehicle's speed; The height of the center of gravity (CG); The type and condition of the suspension The type and condition of the tires
What is an open line of sight?
This is the ability to see down the center of your path of travel
When you are parking facing downhill, you should always turn your front wheels............. the curb or side of the road.
Towards
A boulder at rest on top of a hill, suddenly rolls down the hill. At this point potential energy has converted to kinetic energy.
True
A search will start from a visual lead.
True
Banked roadways improve your traction in turns, and help in overcoming the centrifugal force that is pulling you away from the direction in which you want to turn.
True
Because of centrifugal force, the faster the vehicle is going and/or the tighter the turn, the more likely the driver is to lose control of the vehicle and for it to roll over.
True
Centrifugal force is affected by the vehicle speed and the angle of turn.
True
Friction on the tires of a vehicle is affected by the condition of the surface of the road (including factors due to weather).
True
Friction on the tires of a vehicle is decreased if your tires are over-inflated or are worn smooth.
True
Friction results in the resistance of an object moving over a surface.
True
Gravity increases your kinetic energy when you are driving downhill and decreases it when you are driving uphill.
True
If there is a child sitting in the front seat of a car installed with air bags, it is advised that the air bag feature be turned off for the child or the child be placed in the back seat.
True
In a crash, the kinetic energy of your vehicle and body must be dissipated.
True
In general, the faster a vehicle is traveling, or the heavier it is, the more heat the brakes generate in bringing the vehicle to a stop.
True
Internal distractions, such as emotions or preoccupations with a line of thought, can distract you from focusing on your path of travel and in turn lead to a crash.
True
Kinetic energy is proportional to the size or speed of the moving body.
True
Larger vehicles in motion have more momentum than smaller vehicles moving at the speed because they are heavier.
True
Modern day cars have energy-absorbing bumpers that reduce the effects of a front or rear-end collision.
True
What is one of the three functions of the central vision area of a driver?
Viewing line of sight to target area
What are two reasons for you to use your emergency flash lights if you are driving outside a business or residential district?
When your speed is below 25 miles per hour or you cannot keep up with the normal flow of traffic.
Is traction necessary for you to steer your car?
Yes
Modern vehicles have a number of features that reduce the forces on your body during a crash by........... and increasing the distance over which the impact occurs
absorbing energy
What is a crush zone in a car?
areas of the vehicle designed to absorb impact by crushing in without harming the passenger area of the vehicle
If a driver driving at high speed round a corner is unable to control the speed of the vehicle, centrifugal force will cause the vehicle to ........ Thus centrifugal force is sometimes called overturning or side force.
roll over or slide out
The ability of peripheral vision to pick up changes in the motion and color of other objects is affected by the........ and ........ of your vehicle.
speed, movement
When your line of sight is interrupted, a change in ......and .... are necessary for re-establishing ......... to the driver's path of travel.
speed, position, a clear line of sight
If two vehicles are involved in a head-on collision, and were moving at the same rate of speed, the vehicle ________________________________
that weighs more will be less damaged
The effects of kinetic energy increase at ...... the speed of the vehicle.
the square of
Every vehicle, other than a motorcycle, should be equipped with .......... stop lamps, red or yellow in color, visible from a distance of ........... feet to the rear both during normal sunlight and at night.
two, 300
The best protection against injury if you have a crash is
wearing your seatbelt
