★ Natural Forces Affecting The Driver -Defensive Driving, Drivers Ed, Traffic School Test chathamtownfc.net
The amount of energy absorbed by a vehicle in an impact is related to __________.
You are watching: The of the kinetic energy in a crash is what caused
A.) the direction of the impact.B.) the design of the vehicle.C.) speed and weight of the vehicleD.) all of the above
all of the aboveExplanation: The amount of energy that"s absorbed by the vehicle is related to both the vehicle"s design and the direction of the impact. More and more high tech research and development is being conducted to make cars safer and more reliable.
A _______ is required to change the speed and direction of a moving body.A.) large sizeB.) forceC.) bothD.) neither
Vehicles are designed with both plastic and elastic values to absorb energy forces in a manner that will reduce the direct forces that reach the vehicle occupant(s).A.) TRUEB.) FALSE
To better understand crash dynamics, we have to look at what are called the "__________."A.) Vehicle CollisionsB.) Laws of MotionC.) Center of gravityD.) Fatal Crashes
In a motor vehicle crash, as a car crushes, it absorbs some of the force of the collision.A.) TRUEB.) FALSE
TRUEExplanation: Especially, cars are intended to crush and consume some of the collision. However, they cant crumple too enough or our legs will get crushed also, which is not good. Its all based on the postulate that the force of the collision is less if the entire deceleration takes place over a prolonged duration of time. The car crumpling tries to increase the deceleration time.
Energy absorption in a crash is directly dependent on ________Energy absorption in a crash is directly dependent on blankA.) vehicle speed B.) angles of collisionC.) areas of vehicle contactsD.) all of the above
What is the definition of "potential energy"?A.) Energy that is developed by an object while it"s in motionB.) The energy that a piece of matter has because of its position or because of the arrangement of partsC.) An object that stays at restD.) A force at which the earth attracts another object towards itself
The energy that a piece of matter has because of its position or because of the arrangement of parts
The release of kinetic energy in a collision is what causes the car to be damaged or destroyed and the occupants injured or killed.A.) TRUEB.) FALSE
When you cut your speed in half, you cut your kinetic energy by __________ times.A.) twoB.) fourC.) sixD.) eight
Kinetic energy and energy of motion are referred to as being the same.Kinetic energy and energy of motion are the same thing.A.) TRUEB.) FALSE
Modern vehicles are designed to _______ in a crash to absorb kinetic energy.A.) Remain stableB.) move backwardC.) Crush
_______have a greater impact on our society than all violent crimes combined.A.) train crashesB.) plane crashesC.) motor vehicle crashes
When two vehicles moving at the same speed are involved in a collision, the vehicle that __________________.A.) weighs more will take the greater impactB.) weighs less will take the greater impactC.) has a manual transmission will take the greater impact
The amount of energy absorbed by a vehicle in an impact is related to __________.A.) powerB.) gravityC.) inertia
Gravity has a higher effect on what kind of vehicles?A.) LargeB.) heavyC.) high profileD.) heavy, large and high profile
Gravity __________ your kinetic energy when you are driving uphill and __________it when you are driving downhill.A.) increases, decreasesB.) stops, increasesC.) decreases, increasesD.) none of the above
When driving downhill, your vehicle will accelerate and start moving fast, due to _______________.A.) kinetic energyB.) gravityC.) the amount of pressure you put on the accelerator pedalD.) wet pavement
Energy is dissipated in a crash is called _____.➜ Energy that is dissipated in a crash is calledA.) Kinetic energyB.) Solar energyC.) Friction
Every time you hit the brakes, you are attempting to overcome _____.A.) potential energyB.) kinetic energyC.) static electricityD.) the force of impact
The kinetic energy of your vehicle dissipates quickly when the vehicle is in a crash.A.) TRUEB.) FALSE
To absorb kinetic energy and dissipate the force of a crash, newer cars __________ To absorb kinetic energy and dissipate the force of a crash, new cars:A.) are more flexibleB.) have special safety features such as air bags and crumple zones.
The ______ of the crash is dispersed in the crushing of the body and chassis of the vehicleA.) energyB.) speedC.) outcome
It takes about _______ of a second to dissipate the kinetic energy from an impact throughout the vehicle. It takes about blank of a second to dissipate the kinetic energy from an impact throughout the vehicleANS: 7/10 In a vehicle collision, the longer it takes to dissipate kinetic energy, the _______ the force of impact.A.) higherB.) fasterC.) slowerD.) lower
____ energy or momentum of a vehicle can be offset by allowing an increase in stopping distance.A.) solarB.) gravitationalC.) kineticD.) negativeforward
When you"re involved in a head-on collision with another car, the force of impact will involve:A.) Only the kinetic energy of the heavier carB.) Only the kinetic energy of the lighter carC.) The combined kinetic energy of both carsD.) The difference between the kinetic energy of the two cars
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