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WorksheetsPhysics Final Exam Review Game
Total questions: 82
Worksheet time: 2hrs 50mins
What is another important factor to consider for vehicle safety besides road quality?
Driver's experience
Vehicle maintenance
Traffic laws
All of the above
What trend is observed in number of deaths from vehicles between 1920 and 2015?
The number of deaths increased.
The number of deaths remained constant.
The number of deaths decreased.
The number of deaths showed no clear trend.
What might be a possible reason for the decrease in the number of people injured per crash in the US as shown in the graph from 1996 to 2019?
A) Decrease in the number of cars on the road
B) Improvement in road safety and vehicle design
C) Increase in the number of unreported incidents
D) Shorter distances driven by the average driver
At what point during a collision does a safety feature like an airbag typically activate?
Before the first moment of contact between the vehicles
At the first moment of contact between the vehicles
After the first moment of contact between the vehicles
It does not activate during collisions
How would the forces in a collision differ if crumple zones were not present in the vehicle?
The forces would be less intense, spreading over a longer duration
The forces would be more intense, concentrated in a shorter duration
The forces would be redirected to the rear of the vehicle
There would be no significant change in the forces
What is the function of collision sensors in vehicles?
To secure passengers with a belt
To absorb impact in a crash
To detect potential collisions and assist in activating safety measures
To keep the vehicle in the correct seating position
What is the function of the crumple zone in a vehicle during a crash?
To keep kids in seats
To automatically brake the vehicle
To absorb impacts during crash
To protect passengers after the crash
At 30 seconds, how far had this object traveled?
0 m
5 m
10 m
30 m
How long did it take this object to travel 40 m?
0 s
50 s
60 s
15 s
What is the speed of an object that covers 100 meters in 5 seconds?
500 m/s
20 m/s
0.05 m/s
20 mph
An object moves from a position of 20 m to a position of 50 m in 6 seconds. What is its velocity?
5 m/s
0.5 m/s
10 m/s
30 m/s
What is the velocity of the object in this graph?
4 m/s
-3 m/s
0 m/s
-5 m/s
What is the initial position of the object?
4 m
6 m
8 m
10 m
What is the average velocity of this object?
+0.5 m/s
-0.5 m/s
+2 m/s
-2 m/s
What is the unit for position?
m
s
m/s
m/s/s
What is the unit for time?
m
s
m/s
m/s/s
At 6 s what is the object's velocity?
5 m/s
16 m/s
15 m/s
20 m/s
On a Position-Time Graph position is located on the _________.
x axis
y axis
On a Position-Time Graph time is located on the _________.
x - axis
y - axis
What is the unit for velocity?
m
s
m/s
m/s/s
A cyclist has a reaction time of 0.3 seconds. If they are traveling at a velocity of 60 m/s, how far will they travel in the time it takes to react?
15 meters
20 meters
18 meters
12 meters
What distance will a car cover in 20 seconds if it is moving at a speed of 15 m/s?
200 meters
250 meters
300 meters
350 meters
A position vs time graph for a driver is shown. Around what time did the driver start to brake?
1 seconds
2 seconds
4 seconds
5 seconds
Around what time did the driver come to a complete stop?
1 seconds
2 seconds
4 seconds
5 seconds
What is NOT important in calculating the reaction time of a driver?
The time of the stimulus
The time at which they respond (brake/swerve)
The amount of time they were traveling before the collision
Which of the following does NOT make reaction distance higher?
Faster speed
Lower speed
Texting and driving
Longer reaction time
A pro gamer has a reaction time of 0.15 s. While taking a computer reaction time test, a friend talks loudly to the gamer acting as a distraction. The gamer's new reaction time will likely be...
slower
faster
the same
The equation for momentum is?
momentum = velocity - mass
momentum = velocity/ mass
momentum = mass x acceleration
momentum = mass x velocity
What is true about the relationship between mass and momentum.
The less mass an object has, the more momentum it will have.
The more mass an object has, the less momentum it will have.
The more mass an object has, the more momentum it will have.
Mass has nothing to do with momentum.
If both dogs have the same velocity, which one has the greater momentum?
The big dog
The small dog
What is the change in momentum of a 5.0 kg car that accelerates from 3 m/s to 7 m/s?
20 kg*m/s
15 kg*m/s
10 kg*m/s
25 kg*m/s
What is the change in momentum of a 3.0 kg bicycle that speeds up from 2 m/s to 8 m/s?
18 kg*m/s
12 kg*m/s
24 kg*m/s
36 kg*m/s
A compact car and a semi truck collide. Which will have a greater change in motion?
Compact Car
Semi Truck
They will have the same change in motion
A compact car and a semi truck collide. Which will feel a greater force ?
Compact Car
Semi Truck
They will have the same force, but in opposite directions
Two nearly identical compact cars collide. One is at rest before the collision. Which will have a greater change in velocity?
Both cars will have the same change in velocity
Two nearly identical compact cars collide. One is at rest before the collision. Which will feel a greater force?
The force cannot be determined
Both cars will have the same force, but in opposite directions
A trampoline increases __________________, which in turn decreases _____________________.
force / time
time / force
mass / weight
acceleration / velocity
Clearly it is safer to jump from a ladder onto a mound of hay rather than onto bare concrete. Which explanation is best as to why this is so.
The collision occurs over a longer time period but with a lower force.
Less momentum is lost when jumping onto hay.
The collision occurs over a shorter time period but with a lower force.
There is a greater change of momentum when jumping onto concrete.
An airbag is a vehicle safety device. It is designed to protect occupants during an automobile collision by inflating rapidly. The primary function of an airbag is to _______ the impact force by distributing it over a larger area and increasing the time over which it acts.
neutralize
amplify
reduce
concentrate
How you can decrease the force of impact to an object?
by increasing the time
by decreasing the time
by changing the momentum
by changing the impulse
A 20 kg cart speeds up from 1 m/s to 3 m/s. What is its change in momentum?
Which of the following statements is most accurate for the image?
This circuit will work because it is a closed circuit.
Energy will freely flow in this circuit.
This circuit will not work because there is no energy source.
This circuit will not work because there is no switch.
What is the power source in this circuit?
Bulb
Switch
Wire
Battery
To complete the circuit, a wire should be placed from —
Why is electrical wiring usually covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
The circuit on the left is not complete (the light is off) because:
the switch is closed
the switch is open
the battery is missing
the battery is in backwards
A short circuit occurs when...
There is an incomplete path of metal in a circuit
There are too many light bulbs in the circuit
The battery or energy source is only connected at one location
There is a complete path in the circuit with no electrically powered device
Which of the following will NOT have a negative impact on current flow in a wire?
A smaller diameter
Cold/freezing temperature around the wire
The material of the wire
Which of the following accurately describes the energy transfer in a generator?
Rod --> Magnet --> Fields --> Coil of wire --> Light
Light --> coil of wire --> Fields --> Magnet --> Rod
Coil of wire --> Nail/rod --> magnet --> light --> Fields
Coil of wire --> light --> Rod --> magnet --> Fields
Which of the following BEST explains how a generator works?
A generator is connected to a battery which creates a current through the coil of wire.
A magnet spins and gives energy to the coil of wire.
A spinning magnet gives a changing magnetic field which creates an electric field. The electric field creates a current inside the coil of wire.
An electric current moving through the coil of wire creates a magnetic field. This causes the magnet to spin.
An electric current is defined as the flow of ? through a conductor.
electrons
protons
lithium
insulator
Which of the following describes an ENERGY SOURCE for an electrical grid?
Power lines
Substation
Natural Gas Power Plant
School
Which of the following describes the supply and demand issue in Texas during the energy crisis?
Power plants were overproducing. The communities did not need that much energy.
The power lines were freezing. The people turned up their heat to unfreeze them.
People were using more power to heat their homes. The power plants were failing due to the cold weather.
The power plants were failing due to the cold weather in Texas. Other states redirected their power to help out.
What happens when a switch in an electrical circuit is turned off?
The circuit becomes complete and the device turns on.
The circuit remains unchanged and the device stays in its current state.
The circuit becomes incomplete, stopping the flow of electricity and turning the device off.
The circuit overloads, causing a potential short circuit.
Which of the following devices does not rely on the principles of electromagnetic radiation for its operation?
A remote control sending a signal to a television
A flashlight emitting light in a dark room
A radio receiving broadcast from a local station
A mechanical clock ticking on a wall
A light wave traveling through air has a frequency of 600,000,000 Hz. What is its waves peed if the wavelength is 0.5 meters?
300,000,000 m/s
500,000 m/s
600,000,000 m/s
350,000 m/s
A light wave has a frequency of 400,000,000 Hz. What is its wavelength if the speed of light is 300,000,000 m/s?
0.75 meters
1.33 meters
750 meters
0.5 meters
Which type of electromagnetic radiation has a higher frequency, X-rays or radio waves?
X-rays and radio waves have the same frequency
Radio waves have a higher frequency than X-rays
X-rays have a higher frequency than radio waves
The frequency comparison cannot be determined
How do cell phone towers transmit information?
Through sound waves
Using physical cables
By electromagnetic radiation
Via thermal energy
What type of radiation are most likely used by cell phone networks use to send signals?
Radio Waves and Microwaves
Infrared Rays and Visible Light
Visible Light and Ultraviolet
Gamma Rays and X-Rays
Based on the electromagnetic spectrum diagram, which type of wave has the shortest wavelength?
Radio Waves
Microwaves
Infrared Light
Gamma Rays
Which of the following is not a form of the electromagnetic radiation?
Visible Light
X-Rays
Sound Waves
UV Rays
What is the claim about electromagnetic radiation is not true?
Gamma radiation can cause cancer
Microwave radiation is less dangerous than X-rays
Visible light poses great danger to humans and animals
Ultraviolet light can cause skin cancer or sunburns
As the wavelength of a wave increases, what happens to the frequency of the wave?
Which of the following best describes the relationship between amplitude and frequency?
Which of the following forms of electromagnetic radiation is most dangerous?
Gamma radiation
Which will likely cause more damage, a high amplitude microwave or a medium amplitude x-ray?
high amplitude microwave
When wavelength increases...
energy decreases
energy increases
the distance between peaks of electromagnetic waves is called:
wavelength
frequency
energy
Planck's Constant
Which type of electromagnetic energy carries the least energy?
X-Rays
Visible Light
Ultraviolet
Microwaves
Radio waves are:
short wavelength electromagnetic waves.
short wavelength sound waves.
long wavelength electromagnetic waves.
long wavelength sound waves.
Which color has the longest wavelength?
Yellow
Red
Green
Purple
