The greater the speed of a vehicle, the greater the braking force needed to stop it within a certain distance
0%
The smaller the speed of a vehicle, the greater the braking force needed to stop it within a certain distance
0%
The greater the speed of a vehicle, the less braking force is needed to stop it within a certain distance
0%
The greater the mass of a vehicle, the less braking force is needed to stop it within a certain distance
Q.3.
What is stopping distance?
0%
Braking distance
0%
Reaction time
100%
Braking distance and reaction distance
0%
Reaction distance
Q.4.
What is the greatest resistive force a car experiences when no braking forces are applied?
100%
Air resistance
0%
Passenger weight
0%
Stones
0%
Rain
Q.5.
What is braking distance?
0%
The distance traveled in 10 seconds when a car is accelerating
0%
The distance traveled while the brakes are applied
0%
The distance required to accelerate to 100mph
100%
The energy required to stop in a given distance
Q.6.
Which statement is true?
0%
When the brakes are applied, work done by friction between the brake and wheel increases the kinetic energy of the vehicle and decreases the temperature of the brakes
0%
When the brakes are applied, work done by friction between the brake and wheel reduces the kinetic energy of the vehicle and increases the temperature of the brakes
100%
When the brakes are released, work done by friction between the brake and wheel reduces the kinetic energy of the vehicle and increases the temperature of the brakes
0%
When the brakes are applied, work done by friction between the brake and wheel reduces the kinetic energy of the vehicle and decreases the temperature of the brakes
Q.7.
If a driver's reaction time is 0.2 s and the braking time when their car is traveling at 10 m/s is 10 s, how far does the car travel before it comes to rest?
100%
100m
0%
101m
0%
102m
0%
103m
Q.8.
A car stops in 20 m when traveling at 30 kilometers per hour. If the car is traveling at 40 kilometers per hour, how far does the car take to stop?
0%
20m
0%
26m
0%
27m
100%
30m
Q.9.
If a car is traveling at a steady speed, what can be said of the driving and resistive forces acting on the car?
0%
In equilibrium
0%
Driving forces are twice as large as the resistive forces
0%
Resistive forces are twice as large as the driving forces
0%
There are no resistive forces acting on the car at a steady speed
Q.10.
What can affect a driver's reaction time?
0%
Drink
0%
Drugs
0%
Tiredness
0%
All of the above
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