Font size
S
M
L
XL
WorksheetsAP Physics 2 Review
Total questions: 98
Worksheet time: 2hrs 12mins
Name
Class
Date
1.
Pick the best Dielectic:
a)
Air
b)
Vacuum
c)
Oil
d)
Mercury
2.
If the charge on a parallel-plate capacitor is doubled:
a)
the capacitance is halved
b)
the capacitance is doubled
c)
the electric field is halved
d)
the electric field is doubled
3.
Which of the following labeled points is in the region with the strongest force of electric charge
a)
A
b)
B
c)
C
d)
D
4.
Sphere A carries a charge of +8 coulombs, and Sphere B carries a charge of -6 coulombs. If the two are touched together and then separated, what will the charge on sphere A be?
a)
+1
b)
-1
c)
+2
d)
-2
5.
If an object has an excess of 18 electrons, what is the charge on the object?
a)
12.8x10^-19C
b)
28.8x10^-19C
c)
14.4x10^-19C
d)
6.4x10^-19C
6.
Balloon A simultaneously touches Balloons B and C. Balloon A started with a charge of -4e, Balloon B started with a charge of +2e, and Balloon C started with a charge of +14e. What will be the new charge on Balloon A after they were all allowed to touch?
a)
+12e
b)
+6e
c)
+8e
d)
+4e
7.
Particle A has twice as much charge as particle B. Compared to the force on particle A, the force on particle B is
a)
Double
b)
Quadruple
c)
the same
d)
half
8.
On a graph showing distance versus time, a horizontal line represents an object that is
a)
moving at constant speed
b)
decreasing its speed
c)
increasing its speed
d)
not moving
9.
If an object has an excess charge of -8.0x10^-19C, how many excess electrons does the object have?
a)
2
b)
3
c)
4
d)
5
10.
What is the name of this device that is used to detect charges?
a)
beaker
b)
electroscope
c)
van de graff generator
d)
chargometer
11.
Which of the following is a true statement about the electric field between the two plates?
a)
The field is attractive between the plates and uniform in strength
b)
The field is repulsive between the plates and uniform in strength
c)
The field is attractive between the plates and strongest near the positive
d)
The field is repulsive between the plates and strongest near the positive
12.
Which part of the atom moves to create electricity?
a)
Proton
b)
Neutron
c)
Electron
13.
Heat conductor:Loose electrons==Electrical conductor:_____
a)
tight electrons
b)
loose protons
c)
loose electrons
d)
tight protons
14.
Gravity: G==Electrical Force:_____
a)
m
b)
q
c)
k
d)
f
15.
The reason a charged balloon will stick to a wall is that
a)
the charge is slightly sticky and acts like glue
b)
electrons transfer back and forth between the wall and the balloon
c)
induced opposite charges in the wall are closer than other wall charges
d)
balloon material simply sticks to walls
16.
Gravity:Attraction==Electricity:_____
a)
attraction
b)
repulsion
c)
both A and B
d)
neither A nor B
17.
What is the overall charge of an object that has been charged by polarization?
a)
Positive
b)
Negative
c)
Neutral
18.
If I triple the value of charge of a test charge the electric field will
a)
Increase by 3
b)
Increase by 9
c)
Not change
d)
Decrease by 9
19.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
20.
whose principle says buoyant force = the weight of the fluid an object displaces
a)
Archimedes
b)
Pascal
c)
Bernoulli
d)
Einstein
21.
What happens?
a)
Neither piston moves
b)
Piston A goes up and B goes down
c)
Piston B goes up and A goes down
d)
Both pistons go down
22.
Water and other fluids exert a downward force called a buoyant force.
a)
True
b)
False
23.
Whose principle states that when you increase the speed of a fluid you decrease the pressure of the fluid?
a)
Pascal
b)
Bernoulli
c)
Grisham
d)
Nye
24.
What is the volume of the fish?
a)
18.0 cm3
b)
6.0 cm3
c)
38.0 cm3
25.
A rock at the bottom of the ocean has no buoyant force pushing up on it
a)
True
b)
False
26.
Due to Bernoulli's principle, the pressure is ____ above an airplane's wing than below it.
a)
Lower
b)
Higher
27.
If an object is submerged and floating in the water, which of the following is not true?
a)
Pressure below the object is greater than pressure above
b)
Pressure on the sides is equal on the left and right
c)
weight of the object equals the weight of the water above the object
d)
the buoyant force equals the weight of the object
28.
A 1m x 10cm x 1cm block pushed underwater displaces how much water?
a)
1000 mL
b)
10 N
c)
10 mL
d)
10 L
29.
To what goddess was the temple on Archimedes' ship dedicated?AAphroditeBAthenaSave my answerCHera
a)
Aphrodite
b)
Athena
c)
Hera
d)
Elizabeth
30.
As salinity increases
a)
Density increases
b)
Density decreases
31.
The buoyant force that a fluid exerts on objects is increased when there is an increase in the fluid’s
a)
acidity
b)
density
c)
solubility
d)
clarity
32.
Two containers of the same gas (which we assume to be ideal) have the following masses and temperatures:
Which box has the gas with the largest thermal energy?
Which box has the gas with the largest thermal energy?
a)
Box A
b)
Box B
c)
Both A and B
d)
Not enough info
33.
A steady force pushes in the piston
of a well-insulated cylinder. In this
process, the temperature of the gas
of a well-insulated cylinder. In this
process, the temperature of the gas
a)
Increases
b)
Stays the same
c)
Decreases
d)
Not enough info
34.
100 J is added to a sample of ideal gas as heat. The gas then expands against a piston, doing 70 J of work. During this process
a)
The temperature of the gas increases
b)
The temperature of the gas decreases
c)
The temperature of the gas stays the same
35.
A cylinder of gas has a frictionless but tightly
sealed piston of mass M. Small masses are
placed onto the top of the piston, causing it to
slowly move downward. A water bath keeps
the temperature constant. In this process
sealed piston of mass M. Small masses are
placed onto the top of the piston, causing it to
slowly move downward. A water bath keeps
the temperature constant. In this process
a)
Q > 0
b)
Q = 0
c)
Q < 0
d)
Not enough info.
36.
The efficiency of this heat engine is
a)
.2
b)
.60
c)
.50
d)
.40
37.
Two identical cylinders, A and B, contain the same type of gas at the same pressure. Cylinder A has twice as much gas as cylinder B. Which is true?
a)
TA < TB
b)
TA = TB
c)
TA > TB
d)
not enough info
38.
What type of gas process is this?
a)
Isothermal
b)
Isobaric
c)
Adiabatic
d)
None of those
39.
A sample of gas is in a cylinder with a moveable piston.
The force on the piston can be varied, altering the pressure and volume. A sample of gas is taken from an initial state
to a final state following a curve on the pV diagram shown. The final temperature is
The force on the piston can be varied, altering the pressure and volume. A sample of gas is taken from an initial state
to a final state following a curve on the pV diagram shown. The final temperature is
a)
Higher than the Ti
b)
The same as Ti
c)
Lower than Ti
40.
A sample of gas is in a cylinder with a moveable piston.
The force on the piston can be varied, altering the pressure and volume. A sample of gas is taken from an initial state
to a final state following a curve on the pV diagram shown. The final temperature is
The force on the piston can be varied, altering the pressure and volume. A sample of gas is taken from an initial state
to a final state following a curve on the pV diagram shown. The final temperature is
a)
Higher than Ti
b)
The same as Ti
c)
Lower than Ti
41.
The thermal energy of an ideal gas depends on each of the following parameters EXCEPT:
a)
The number of moles of the gas.
b)
The ideal gas law constant.
c)
The temperature of the gas.
d)
The volume the gas occupies.
42.
If the work done by a piston on a gas is negative:
a)
The volume of the gas decreases
b)
The volume of the gas stays the same
c)
The volume of the gas increases
d)
The piston cannot do negative work on the gas
43.
The change in entropy of a system is:
a)
Directly proportional to the temperature of the system.
b)
Independent of the temperature of the system.
c)
Directly proportional to the energy transferred to the system from the environment through
heating.
heating.
d)
Independent of the energy transferred to the system from the environment through heating.
44.
Which of the following actions will ALWAYS increase the efficiency of a thermodynamic engine?
a)
Decreasing the temperature of the hot reservoir
b)
Increasing the temperature of the cold reservoir
c)
Making a larger temperature difference between the hot and cold reservoirs
d)
None of the above
45.
In the closed thermodynamic cycle shown in the P-V diagram, the work done by the gas is:
a)
+
b)
0
c)
-
46.
Two moles of a monatomic ideal gas undergoes the process from A to B, shown in the diagram above by the solid line. Using the sign convention that work is positive when surroundings do work on the system, how much work is done in the process AB?
a)
5000J
b)
1200J
c)
-1200J
d)
-5000J
47.
A mole of ideal gas at STP is heated in an insulated constant volume container until the average velocity of its molecules doubled. Its pressure would therefore increase by what factor?
a)
.5
b)
1
c)
2
d)
4
48.
------------ is the measure of permittivity in a vacuum and it is how much resistance is encountered when forming an electric field in a vacuum.
a)
Dielectric constant
b)
Static permittivity
c)
Absolute permittivity
d)
Relative permittivity
49.
The formula for the energy stored in the capacitor is:
a)
W=(1/2)CV
b)
W=(1/2)C2V
c)
W=(1/2)CV2
d)
W=(1/2)2CV
50.
If the capacitance is 47μF, and the voltage difference across the capacitor terminals is 6V, then the energy stored in that capacitor is:
a)
846×10-6Joule
b)
7.23×10-3 Joule
c)
6.76×10-5Joule
d)
5.94×10-2Joule
51.
When charging a capacitor, the transfer of charges stops when:
a)
the potential difference across the capacitor equals the potential difference across the battery
b)
the potential difference across the capacitor is greater than the potential difference across the battery
c)
the potential difference across the capacitor is smaller than the potential difference across the battery
d)
the capacitance of the capacitor increases
52.
Which of the following properties characterizes a series combination of 3 capacitors?
a)
𝑄𝑒𝑞=𝑄1+𝑄2+𝑄3
b)
𝑄𝑒𝑞=𝑄1=𝑄2=𝑄3
c)
C. Δ𝑉𝑒𝑞=Δ𝑉1=Δ𝑉2=Δ𝑉3
d)
ΔC𝑒𝑞=Δ𝑉1+Δ𝑉2+Δ𝑉3
53.
A parallel-plate capacitor is initially filled with a dielectric and gets fully charged by connecting it to a power supply.After disconnecting the capacitor from the power supply, the dielectric is removed from the capacitor. What happens to electric field and Voltage?
a)
Electric Field increases, Voltage Increases
b)
Electric Field decreases, Voltage Decreases
c)
Electric Field is constant, Voltage is constant
d)
Electric Field increases, Voltage Decreases
54.
A system of 2 charges has a potential energy Ui. If each of these charges were tripled, and the distance between them was doubled, what would be the new potential energy Uf of the system?
a)
Uf = 8Ui
b)
Uf = (9/2)Ui
c)
Uf = 3Ui
d)
Uf = 18Ui
55.
An electron, initially moving with a speed of 2×104 m/s, enters an electric field which increases its speed to 3×106 m/s. What potential difference does the electron go through in this process?
a)
102.48 V
b)
25.62 V
c)
409.93
d)
51.24
56.
The total resistance in a parallel circuit is
a)
less than the smallest resistance
b)
equal to the average resistance
c)
equal to the sum of the resistance
d)
more than the largest resistance
57.
The voltage dropped across the 300 ohm resistor is
a)
6 V
b)
9 V
c)
2 V
d)
30 V
58.
Immediately after the switch is closed, the voltage across the 3uF capacitor is
a)
0 V
b)
45 V
c)
22.5 V
d)
45e-t/RC V
59.
Immediately after the switch closes, the current in the circuit is
a)
0 A
b)
45 microAmps
c)
22.5 microAmps
d)
45e-t/RC microAmps
60.
After the switch is closed, the voltage across the capacitor is
a)
45(1 - e-t/RC)
b)
45(e-t/RC)
61.
When the capacitor is fully charged, the voltage across the capacitor is _________ and the current in the circuit is _________.
a)
45 V, 0 A
b)
0 V, 45 microA
c)
22.5 V, 45 micro A
d)
3 microV, 0 A
62.
Which way do electrons drift?
a)
Towards lower electric potential
b)
Towards higher electric potential
c)
Only in areas of equal equipotential
d)
Completely random, not impacted by fields and potential
63.
The loads in a series circuit do not share the available voltage.
a)
True
b)
False
64.
Charlie Holloway is launched out of a cannon with a speed of 40 m/s at 45 degrees with respect with the ground. Which of the following is true about Charlie's acceleration at the highest point in his trajectory if air resistance is negligible?
a)
the acceleration is unknown
b)
the acceleration is horizontal
c)
the acceleration is straight down
d)
the acceleration is straight up
65.
you travel in one complete perfect circle at a constant speed. what is your displacement?
a)
the circumference of the circle
b)
half of the circumference of the circle
c)
the diameter of the circle
d)
zero
66.
Electrical potential energy is the energy a charged object has because of its
a)
momentum.
b)
location.
c)
mass.
d)
motion.
67.
Two like charges are brought near each other. They will have a:
a)
high electric potential energy
b)
low electric potential energy
c)
high kinetic energy
d)
low kinetic energy
68.
The energy that is stored in a capacitor is in the form of
a)
the current between its plates.
b)
the space between its plates.
c)
the electric field between its plates.
d)
the battery between its plates.
69.
A tiny sphere carrying a charge of 6.5 µC sits in an electric field, at a point where the electric potential is 240 V. What is the sphere’s potential energy?
a)
2.7 x 10-8 J
b)
6.5 x 10-6 J
c)
1.6 x 10-3 J
d)
240 J
70.
A particle with mass m and charge –q is projected with speed v0 into the region between two parallel plates as shown. The potential difference between the two plates is V and their separation is d. The change in kinetic energy of the particle as it traverses this region is:
a)
–qV/d
b)
2qV/mv2
c)
qV
d)
1/2 mv2
71.
Which of the following is not a necessary step in the problem solving strategy?
a)
Free Body Diagram
b)
Find the components of the forces
c)
Determine or not the system is in equilibirum
d)
All steps are completely necessary
72.
Ben launches has a catapult that changes the velocity of a ball (m= 2 kg) from 0 to 10 m/s in one sec. What is the average force that is exerted on the ball during launch?
a)
20 N
b)
5 N
c)
8 N
d)
0.2 N
73.
Which of the following is considered a Field Force?
a)
Friction
b)
Normal
c)
Tension
d)
Gravity
74.
Motion sensors recorded the following data about a runner during a cross-country race. During which segment of the race did the runner have the greatest speed?
a)
W
b)
X
c)
Y
d)
Z
75.
The ball took 0.45 s to hit the ground 0.72 m from the table. What was the horizontal velocity of the ball as it rolled off the table?
a)
0 m/s
b)
0.63 m/s
c)
1.6 m/s
d)
2.2 m/s
76.
What would the v-t graph look like for an object travelling at a constant velocity?
a)
Curved line
b)
Straight line
c)
Horizontal line
77.
Describe the motion
a)
Slow to fast; Negative direction
b)
Fast to slow; Negative direction
c)
Fast to slow; Positive direction
d)
Slow to fast; Positive direction
78.
Rushi exerts a force on 5N on Taha's hand. What is the force that Taha's hand exerts on Rushi's?
a)
Greater than 5N
b)
Less than 5N
c)
Equal to 5 N
d)
Taha's does not exert a force on Rushi's
79.
An object is shot from the ground (at 25 m/s) at 25 degrees and 65 degrees. Which one has the greater range? (assume no air resistance)
a)
25 degrees
b)
65 degrees
c)
same for both
80.
At the top of a projectile's path above Earth, the vertical acceleration of an object is
a)
is zero
b)
goes from positive to negative
c)
goes from negative to positive
d)
remains unchanged
81.
If you shoot a gun and at the same time drop a bullet which will hit the ground first? Why?
a)
The bullet that is shot, because it is going faster
b)
The dropped bullet, because gravity pulls on it.
c)
At the same time, because the x and y components are independent of each other.
d)
This cannot happen
82.
The initial velocity of a projectile has a horizontal component of 5m/s and a vertical component of 6m/s. At the highest point of the projectile's trajectory what is (A) the horizontal velocity (B) the vertical velocity?
a)
(A)25m/s, (B) 10m/s
b)
(A) 5m/s, (B) 0m/s
c)
(A) 10m/s, (B) 24m/s
d)
(A) 0m/s, (B) 3m/s
83.
The more mass an object has, the faster it will fall.
a)
True
b)
False
84.
According to Bernoulli's Principle, when the wind speed is low, wind pressure is ________
a)
high
b)
low
c)
not enough information
d)
None of the above
85.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
86.
Which of the following has more momentum?
a)
a small truck traveling at 40mph
b)
a large truck traveling at 40mph
c)
more information is needed
87.
In a perfectly inelastic collision, ______ is conserved.
a)
Momentum only
b)
Kinetic Energy only
c)
Both momentum and kinetic energy
88.
In a perfectly elastic collision, ______ is conserved.
a)
Momentum only
b)
Kinetic Energy only
c)
Both momentum and energy
89.
Both students experience the same ____
a)
force of impact
b)
time of impact
c)
change in momentum
d)
all of the above
90.
What is Mechanical Energy?
a)
Energy from a tree
b)
Potential
c)
Thermal Energy
d)
The sum of kinetic and potental energy that causes force to move an object any distance.
91.
Which runner won the race?
a)
A
b)
B
c)
C
d)
It was a tie
92.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking
b)
Running
c)
Standing Still
d)
Walking Fast
93.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
94.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
95.
In order to positively charge an object via induction (assuming you ground the object) what should you do?
a)
Bring a negative object near
b)
Bring a positive object near
c)
Bring a neutral object near
d)
Do the hokey pokey
96.
The field lines for these charges must be?
a)
+, +
b)
+, -
c)
_ , _
97.
Given the change from top charge and distance to the bottom, what is the resulting change in F if Fe=q1xq2/d^2
a)
6F
b)
1/8F
c)
9/64F
d)
1/64F
98.
What is not a non-contact force?
a)
Applied
b)
Electric
c)
Gravity
d)
Magnetic
Reset
