Exam (elaborations)
ga driver safety pt. 2
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ga driver safety pt. 2 ga driver safety pt. 2 ga driver safety pt. 2
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ga driver safety pt. 2If your vehicle is very well designed, and you are very skillful at handling your vehicle, natural forces
have no affect on your vehicle. - ANS true
Can you undertake corrective actions to counter the undesired effects of natural forces? - ANS yes
Laws are often made to help drivers deal with natural forces. For example, imposing of speed limits to
deal with the force of impact, ............., and friction.
a. inertia
b. centrifugal
c. gravity - ANS gravity
Seat belts and airbags do not help to minimize the impact of natural forces. - ANS false
Not every thing around us, including our own bodies, is affected by the laws of nature. - ANS false
Taking preventive actions (such as slowing down when approaching a hill crest, slowing down before
reaching the downgrade or entering a curve), in addition to wearing a safety belt, will help you drive
more safely by ........ the effects of the natural forces.
a. expanding
b. limiting
c. mitigating
d. cancelling - ANS limiting
When picking up speed while driving downhill, the pull of gravity combined with your speeding can lead
to ...............consequences.
,a. disastrous
b. no
c. minor
d. cascading - ANS disastrous
Cars are not built with features to mitigate or reduce the effects of the forces of nature. - ANS false
If we were to roll a ball away from us and there are no opposing forces
a. it will stop at some distance from us
b. it will keep going in a straight line away from us forever
c. it will roll in a curve back to you
d. it will roll round and round - ANS b
Can the forces of nature be totally eliminated? - ANS no
When you leave a vehicle parked on an incline, which force is working to pull the vehicle downhill?
a. inertia
b. gravity
c. kinetic energy
d, friction - ANS b
friction
When you drive downhill,gravity will cause you to go faster and increase your stopping distance. You
may need to shift to a .......... gear or smoothly apply your brakes to .....down to a safe speed and control
your vehicle.
,a. lower, slow
b. higher, speed up
c. smooth, speed up - ANS a
When you are driving uphill, the force of gravity is working against you to ...... and you may need to ....
or change to a higher gear to maintain your speed
a. speed you up, decelerate
b, slow you down, accelerate - ANS b
Is traction necessary for you to steer your car? - ANS yes
If the load of a truck is not balanced correctly along the length of the vehicle, there is the possibility of a
wheel lock-up during .........., and the vehicle losing steering control.
speeding
stops
braking
driving - ANS braking
If you are parking facing uphill and there is no curb, you should turn your wheels ...... the side of the
road, so the vehicle will roll away from the center of the road if the brakes fail. - ANS towards
When your vehicle is parked facing uphill, and there is a curb, what should you do?
a. always turn the front wheels away from the middle of the road, towards the curb, and put a block
against the back tire of the car.
, b. Park with the front wheels turned away from the curb and allow the vehicle to roll backward against
the curb. - ANS b
Gravity is a force that attracts everything towards the center of the earth. Gravity therefore affects
your .......... of travel when going uphill and downhill.
path
sense
speed - ANS speed
Traction is the result of friction between the ....and your tires caused by the......of the car pushing the
tires against the road due to gravity.
a. brakes, kinetic energy
b. road, weight
c. steering wheel, speed, inertia - ANS b
Why are larger vehicles like trucks very unstable?
Because they are heavier
b. Because they have high center of gravity
Because they are harder to drive
because they are hard to maneuver - ANS b
Worn or over-inflated tires will reduce the friction between your tires and the road surface, reducing the
traction needed to stop quickly - ANS true
Friction on the tires of a vehicle is not affected by the material used to construct the road. - ANS false
Friction results in the resistance of an object moving over a surface. - ANS true
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