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WorksheetsAAP Final Exam questions
Total questions: 138
Worksheet time: 6hrs 56mins
1 A man jogs at a velocity of 2.5 m/s west for 1,200 s. He then walks at a velocity of 1.0 m/s east for 500 s and then stops to rest. What is the displacement of the man when he stops to rest?
3,500 m west
3,000 m west
2,500 m west
700 m west
A 1,500-kg truck has a net force of 4,200 N acting on it. What is the truck’s acceleration?
6,300,000 m/s2
2,700 m/s2
2.8 m/s2
0.36 m/s2
A copper wire is connected across a constant voltage source. Which change will cause an increase in the current flowing through the wire?
an increase in the length of the wire
an increase in the resistance of the wire
an increase in the diameter of the wire
an increase in the insulation around the wire
Which will cause an electromagnetic solenoid to increase its strength?
replacing the wire with an insulator inside the solenoid
increasing the temperature surrounding the solenoid
increasing the number of wire coils in the solenoid
removing the iron core from the solenoid
Why does a flat piece of notebook paper take longer to reach the ground than an identical piece of notebook paper crumpled into a ball?
The flat piece of paper has more mass.
The crumpled piece of paper has more mass.
The frictional force of air has more effect on the falling flat piece of paper.
The frictional force of air has more effect on the falling crumpled piece of paper.
Why does the weight of an object change with increasing elevation on Earth?
The mass of the object decreases with higher elevation.
The force of gravity acting on the object increases with higher elevation.
The force of gravity acting on the object decreases with higher elevation.
The mass of the object increases with higher elevation.
Why does the weight of an object change with increasing elevation on Earth?
The mass of the object decreases with higher elevation.
The force of gravity acting on the object increases with higher elevation.
The force of gravity acting on the object decreases with higher elevation.
The mass of the object increases with higher elevation.
Which describes the kinetic energy of a ball in free fall?
The kinetic energy remains the same while the velocity increases.
The kinetic energy decreases because the velocity increases.
The kinetic energy increases because the velocity increases.
The kinetic energy remains the same while the velocity decreases.
Why does a student’s hand feel cold when holding an ice cube?
Heat flows from the ice cube to the hand.
Heat flows from the hand to the ice cube.
Cold flows from the hand to the ice cube.
Cold flows from the ice cube to the hand.
Two students pull on the opposite ends of a rope, but neither student is able to move the other. Which statement best explains why neither student is moved?
They each pull on the rope with the same amount of force, so the net force is zero.
They each exert the same amount of friction against the ground, so the net friction is zero.
Their forces are not balanced, but gravity keeps them from moving.
The two students have the same mass.
Two boxes, X and Y, are on a shelf 10 meters above the floor. Box X has a mass of 4 kg, and Box Y has a mass of 8 kg. Which statement best represents the relationship between boxes X and Y?
Box X and Box Y have no potential energy.
Box X has less potential energy than Box Y.
Box X has more potential energy than Box Y.
Box X and Box Y both have 784 J of potential energy.
Which describes the kinetic energy of a ball in free fall?
The kinetic energy remains the same while the velocity increases.
The kinetic energy decreases because the velocity increases.
The kinetic energy increases because the velocity increases.
The kinetic energy remains the same while the velocity decreases.
Which is a true statement about a series circuit?
All the current flows through every part of the circuit.
Every part of the circuit is positively charged.
The current through the circuit can take several paths.
Every part of the circuit is negatively charged.
A student wants to build a simple circuit. Which material would be used to design a circuit with the least amount of resistance?
long wires with a thin diameter
long wires with a large diameter
short wires with a thin diameter
short wires with a large diameter
A ball rolling down an incline has its maximum kinetic energy at
the bottom.
halfway down.
the top.
three-quarters of the way down.
The power expended doing 100 J of work in 50 s is
50 W.
1/2 W.
4 W.
2 W.
5,000 W.
An object that has kinetic energy must be
at rest.
moving.
at an elevated position.
falling.
none of the above
Two identical particles move toward each other, one twice as fast as the other. Just before they collide, one has a kinetic energy of 25 J and the other 50 J. At this instant their total kinetic energy is
50 J.
75 J.
25 J.
none of the above
need more information
The work done in pushing a TV set a distance of 2 m with an average force of 20 N is
2 J.
10 J.
40 J.
800 J.
20 J.
The chart above shows the force applied on four different objects and the distance each object moves.
On which object was the least amount of work done?
W
X
Y
Z
A 200-kg rock is at the top of a cliff. What happens to its energy as it begins to fall?
Its kinetic energy is transformed into potential energy.
Its potential energy is transformed into kinetic energy.
Its potential energy increases.
Its kinetic energy decreases.
It takes 6.0 seconds for a pulley system to lift a crate weighing 300.0 N to a height of 5.0 meters. How much power is required to lift the crate?
360.0 W
250.0 W
10.0 W
0.1 W
This diagram represents a closed circuit with three identical lightbulbs.
If bulb Y stops working in the circuit, what will happen to bulbs X and Z?
Bulb X and bulb Z will not glow.
Bulb X will glow, but bulb Z will not glow.
Bulb X and bulb Z will glow.
Bulb X will not glow, but bulb Z will glow.
A circuit has 2.25 amps of current and a resistance of 4.00 Ω. What is the voltage difference across the circuit?
9.00 V
6.25 V
1.78 V
0.56 V
A circuit has 2.25 amps of current and a resistance of 4.00 Ω. What is the voltage difference across the circuit?
9.00 V
6.25 V
1.78 V
0.56 V
Using the theory of magnetic domains, which of the following correctly describes the characteristics of the magnetic domains of the three materials as shown?
X is a magnetic material with domains that are not lined up; Y is a magnetic material with domains that are not lined up; Z is a magnet with all domains aligned.
X is a non-magnetic material with no domains; Y is a magnetic material with domains that are not lined up; Z is a magnet with all domains aligned.
X is a non-magnetic material with no domains; Y is a non-magnetic material with domains that are not lined up; Z is a non-magnetic material with all domains aligned.
X is a magnetic material with domains that are not lined up; Y is a magnetic material with domains that are not lined up; Z is a non-magnetic material with no domains.
How could the output voltage of an electrical generator be increased?
by reducing the generator’s rotational speed
by reducing the mechanical work put into the generator
by increasing the resistance of the coils in the generator
by increasing the number of coils in the generator’s electromagnet
How could the output voltage of an electrical generator be increased?
by reducing the generator’s rotational speed
by reducing the mechanical work put into the generator
by increasing the resistance of the coils in the generator
by increasing the number of coils in the generator’s electromagnet
The magnet on the right is moved toward the suspended magnet on the left.
Which statement describes the interactions of the magnets in terms of their magnetic fields?
A repulsive force between the two magnets causes the suspended magnet to swing to the left.
A repulsive force between the two magnets causes the suspended magnet to oscillate like a pendulum.
An attractive force between the two magnets causes the suspended magnet to swing to the right.
An attractive force between the two magnets cause the suspended magnet to oscillate like a pendulum.
Three point charges are arranged in fixed positions as in the figure as shown.
Which statement describes the direction of the attractive and/or repulsive forces that Charge 2 experiences?
Charge 2 experiences a repulsive force to the left from Charge 3 and an attractive force down from Charge 1.
Charge 2 experiences an attractive force to the right from Charge 3 and an attractive force down from Charge 1.
Charge 2 experiences a repulsive force to the left from Charge 3 and a repulsive force up from Charge 1.
Charge 2 experiences a repulsive force to the right from Charge 3 and a repulsive force down from Charge 1.
What is the speed of the car relative to the speed of the bicycle?
4 km/hr
30 km/hr
40 km/hr
50 km/hr
A smooth card is placed over a drinking glass. A penny is placed in the middle of the card. When the card is hit with the index finger, the card moves away, and the penny drops into the glass.
Which statement BEST explains why the penny does not move in the same direction as the card?
There is an absence of friction between the penny and the card.
There is a little gravity between the card and the penny.
The card exerts too much force on the penny.
The penny has more inertia than the card.
The image demonstrates which of newton's three laws?
First Law
Second Law
Third Law
None
Suppose sand was heated by the sun, what happens to the energy absorbed by the sand if the sun goes down?
stays in the sand
it gets destroyed
It is transferred to the air via the process of radiation.
it is soaked back up by the sun before it leaves
The image demonstrates which of Newton's laws?
First Law
Second Law
Third Law
none
The image demonstrates which of Newton's three laws?
First Law
Second Law
Third Law
none
A student riding a bicycle doubles his speed. By what factor does the kinetic energy of the student and bicycle change?
1/4
1/2
2
4
Which best describes the different mediums in which the speed of light and sound is greatest?
Light travels fastest through air, while sound travels fastest through a diamond.
Light travels fastest through a diamond, while sound travels fastest through air.
Light travels fastest through water, while sound travels fastest through glass.
Light travels fastest through glass, while sound travels fastest through water.
A person uses 25.0 J of kinetic energy to push an object for 11.0 s. How are work and power affected if the person uses the same amount of kinetic energy to push the object in less time?
The power will increase, and the amount of work will increase.
The power will increase, and the amount of work will remain the same.
The power will decrease, and the amount of work will remain the same.
The power will decrease, and the amount of work will decrease.
Three blocks of mass 3m, 2m, and m are connected by strings and pulled with constant acceleration a. What is the relationship between the tension in each of the strings?
a) T1 > T2 > T3
b) T1 < T2 < T3
c) T1 = T2 = T3
d) all tensions are zero
e) tensions are random
Which box will accelerate?
A
B
C
D
What is true about this image?
It shows unbalance forces.
It shows balanced forces.
The people on the right are winning.
The people on the left are winning.
These forces are...
Balanced
Unbalanced
These forces are...
Balanced
Unbalanced
An box is sitting on a table when a person comes up and pushes the box with 5 N of force to the left. The box has 5 N of friction force in the opposite direction. Will the box begin to move with this pushing force?
Yes
No
Pick the correct statement about forces and motion.
For an object to move at a constant speed or accelerating it must have unbalanced forces.
Objects moving at a constant speed have unbalanced forces while objects that are accelerating have balanced forces.
Objects moving at a constant speed have balanced forces while objects that are accelerating have unbalanced forces.
For an object to move at a constant speed or accelerating it must have balanced forces.
Newton's 1st law is also called the law of _________.
Which runner is accelerating?
In which segment the object stopped?
A
B
C
In which section object is travelling fastest?
A
B
C
What is the object doing between 3-5 seconds?
moving at a constant speed
speeding up
not moving
slowing down
Which object has the greatest kinetic energy?
A car driving down a hill.
A person running down a hill.
A ball rolling down a hill.
6. Where would this tossed baseball have the least amount of kinetic energy?
Point W
Point X
Point Y
Point Z
Which of the following conversions is illustrated with a solar powered car?
mechanical to chemical
light to mechanical
chemical to mechanical
light to electrical
Which of the following shows the best examples of the energy conversion in a battery powered flashlight?
Chemical >>> Electrical >>> Radiant
Electrical >>> Mechanical >>> Chemical
Mechanical >>> Radiant >>> Electrical
Radiant >>> Electrical >>> Chemical
8. A television converts electricity into
sound
light
heat
chemicals
Lilly's cat has a mass of 5 kg. He is running North at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?
KE= 1/2mv2
8.5 J
7.5 J
45 J
22.5 J
Calculate the potential energy of a car with a 2,500 kg mass that is on a hill 100 meters above sea level.
PE=mgh
250,000 J
2,451,663 J
2,450,000 J
248 J
If the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C?
-80,371.2 J
80,371.2 J
44,938.6 J
112,575.9 K
Which will heat up faster?
copper
granite
Iron
basalt
Specific heat of water is 4.18 J/g°C. Specific heat of wood is 1.760 J/g°C What material needs more heat energy to raise the temperature?
Water
Wood
Both wood and water
Which wave in the diagram has the greatest frequency?
1
2
3
4
Waves that require a medium are called
mechanical waves
transverse waves
light waves
gamma rays
When the frequency of a wave increases, what happens to the wavelength?
The wavelength is not directly affected by the frequency of a wave.
The wavelength increases.
The wavelength decreases.
More specific information is needed to form a conclusion about the wavelength.
Which letter(s) represent the trough of the wave?
A
C
D
F
Which of the following can sound travel through?
solid
liquid
gas
a vacuum
A wave that can travel through matter and empty space (vacuum) is a:
electromagnetic wave
longitudinal wave
transverse wave
1. Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
Gamma Rays
Visible Light
Radio Waves
Infrared rays
How are electromagnetic waves different from other waves?
They have very short wavelengths
They can travel through a vacuum
They transmit energy instead of matter
They can change direction by reflection
A student placed a pencil in a cup of water. The pencil appears broken because light
always travels in a straight line.
bends when it passes through water.
makes the water in the glass evaporate.
reflects the pencil on the water's surface.
This image depicts which of the following wave behaviors?
Reflection
Diffraction
Refraction
Resonance
Use the diagram to answer this question. Who is experiencing a higher pitched sound?
Observer A
Observer B
There's no difference
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
Add more coils of wire to the nail.
Use a smaller battery.
Reverse the poles of the magnet.
Remove all the coils and the nail.
What will happen if one light bulb is removed from this circuit?
The other bulbs will go out.
The other bulbs will stay on
The other bulbs will get dimmer.
The battery will become stronger.
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.
parallel
series
open
closed
A light bulb with 200 ohms of resistance is connected across a 100-V power supply. What current will flow through this bulb?
0.90 A
0.36 A
0.60 A
0.5 A
Which of the following correctly states relationship between voltage, resistance, and current in a circuit?
Current is directly related to both voltage and resistance.
Current is inversely related to both voltage and resistance.
Current is directly related to voltage but inversely related to resistance.
Current is directly related to voltage but is not affected by resistance.
Generators are devices that convert _____ energy into _____ energy.
chemical; mechanical
mechanical; electrical
electrical; mechanical
potential; kinetic
Check the correct examples of velocity
6 km/h
55 km/h westward
70 m/s left
45 feet up
60 mph
Caiden is running down the field at first going 15m/s then after 20 sec is going 30m/s. What is his acceleration?
0.75m/s2 south
0.75 mph
22 m/s
2 mph
What does this graph represent?
constant speed
deacceleration
acceleration
not moving
It took 500 Newtons of force to push a car four meters. How much work was done?
W= f x d
2000 J
125 J
0.008 J
500 J
Calculate the Net Force.
60 N Left
40 N Right
0 N
60 N Right
How much force is needed to accelerate a 25kg bowling ball at 2m/s2.
50 N
5 N
12.5 N
100 N
Which is an example of someone using a simple machine to do work?
a boy runs across a football field
a mother pushes a stroller up a ramp into a building
a banker counts money
a girl eats a sandwich
If you needed to use a lever to move a heavy object, where is the best place to place the load?
next to where the force is applied
at the opposite end of the fulcrum
directly under the fulcrum
near the fulcrum.
The Doppler effect is the apparent change in the frequency of a wave because the source or observer is moving.
true
false
When ________ interference happens with two waves of the same amplitude, the waves cancel each other out.
source
wavelength
constructive
destructive
When waves come together to form one huge wave, ________ interference happens.
source
wavelength
constructive
destructive
Newton's ______ law says that for every action force, there is an equal and opposite reaction force.
first
second
third
A moving object has _______ energy because it is moving.
work
kinetic
potential
force
If you double the amount of force, the amount of acceleration will double.
true
false
The speed of sound changes based on its __________.
color
shape
medium
source
A pencil in a glass of water looks broken because of refraction.
true
false
Energy is the ability to do ________.
work
force
energy
potential
When heat is transferred by moving warm air or liquid it is called
insulator
convection
conduction
radiation
What is effort (input) force?
the force one exerts on a machine
the force which an effort force must overcome in order to do work on an object via a simple machine.
the force the machine exerts on a object
the output work times the input distance
Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever (MA=Output Force/Input Force)?
1
10
100
1000
What is resistance (output) force?
the force required by a machine in order to accomplish work (the force you put on the machine)
The force that is exerted by a machine
the force the machine exerts on a object
the output work times the input distance
The mechanical advantage of this inclined plane is...(MA=Resistance Force/Effort Force)
2.4
3.4
4.4
A simple machine would help make work...
Faster
Easier
Both
Neither
A box of weight W is lifted by a force F using a lever as shown below.
What is the mechanical advantage of the lever (MA=Input Distance/Output Distance)?
0.5
2
3
6
