Font size
WorksheetsMCS 8
Total questions: 100
Worksheet time: 50mins
Consider the following velocity-time graph and select the statement that is true.
The object speeds up and later slows down
b. The object is accelerating throughout the entire recorded time
c. The object travels in one direction and then the other
d. The object returns to its original position
Work is measured in which units?
a. N
b. J/s
c. N•s
d. J
In the following wire, conventional current is flowing to the right. In which direction will the compass point?
a. north
b. east
c. west
c. South
The amount of heat required to raise the temperature of 1 kg of a substance by 1 C is called:
a. Specific heat capacity
b. Temperature gradient
c. None of the above
d. Thermal energy
Which of the following statements concerning vector and scalar quantities is incorrect?
a. All vector quantities have magnitude
b. All scalar quantities have magnitude
c. All scalar quantities have direction
d. All vector quantities have direction
The position-time graph that depicts a ball thrown vertically upward that returns to the same position is
D
C
A
B E
Which is false regarding magnetism?
a. Magnetic fields have direction only
b. A magnetic field can be induced in a non-magnetic material
c. Magnetic fields have magnitude and direction
d. Right hand rule helps us determine the direction of the magnetic field
An object completes 240 cylces in 15 s. What is the frequency in Hz?
a. 16 Hz
b. 0.063 Hz
c. 240 Hz
d. 15 Hz
In a graph of Force vs. Distance, the Work done would be found by:
a. The slope of the line
b. The tangent line
c. The area under the curve
d. The y-intercept
In a series circuit, there are three resistors of values 3.0Ω, 4.0Ω and 5.0Ω. What is the total equivalent resistance of the circuit?
0.78Ω
1.3Ω
60Ω
12Ω
Uniform motion means:
a. Acceleration is constant
b. Speed is constant
c. Velocity is constant
d. Displacement is constant
The slope of the best-fit straight line of a velocity-time graph will determine the
a. Distance of the object
b. Speed of the object
c. Velocity of the object
d. Acceleration of the object e. Displacement of the object
A hockey puck has a mass of 150g and is sliding south along the ice and slows at a rate of 1.2𝑚/𝑠 2What is the net force acting on the puck?
a. 180N[N]
b. 180N[S]
c. 18N[N]
d. 0.18N[N] e. 0.18N[S]
In which case below is work NOT being done?
a. Pushing a car a distance of 0.5m
b. Playing violin in an orchestra
c. Pushing against a solid concrete wall
d. Gliding to stop on roller skates e. Walking down a flight of stairs
Which of the following accurately describes what happens to a wave after a reflection
a. A crest will be reflected as a trough but with a smaller amplitude
b. A crest will be reflected as a crest but with a smaller amplitude
c. A crest will be reflected as a crest but with a larger amplitude
d. A crest will be reflected as a trough but with the same amplitude
The law of conservation of energy says that
a. Energy can be created but not destroyed
b. Energy cannot be created or destroyed burned
c. Energy cannot be transformed
d. Energy cannot be created but can be destroyed e. Energy can only be
The specific heat capacity of iron is 450J/(𝑘𝑔 ∗ 𝑂 𝐶). What quantity of heat is required to raise the temperature of 5.0kg of iron from 10𝑂𝐶 𝑡𝑜 40℃
a. 90000J
b. 67500J
c. 3.0J
d. 22500J e. 75J
If you launch a ball horizontally out of a window at the same time you drop a ball, which of the following things will happen?
a. Both balls will hit the ground at the same time
b. The ball that was dropped will hit the ground first
c. The ball that was launched horizontally will hit the ground first
d. The ball that was launched horizontally will slow down. e. The ball that was dropped will slow down
The force of surface friction acting on an object depends on which of the following:
a. The surface area of the object
b. The mass of the object c.
The volume of the object
d. The shape of the object
What does this circuit symbol represent?
a. Cell
b. Switch
. c. Wire d
. Resistor .
Which particles move when current flows?
a. Neutrons
b. Positrons
c. Electrons
d. Protons
A circuit has a 120V source. If the current is 10.0A, the resistance in the circuit must be
a. 10.0Ω
b. 0.083Ω
c. 1200Ω
d. 12.0Ω
In the graph for question 12, which line segment best represents uniform motion?
a. Segment A
b. Segment B
c. Segment C
d. Segment D
Kelly and John are trying to bring a box home from school that is holding their beginner gardening kit. The box has a mass of 5.0kg. Kelly applies a pressure of 20N [E] and John applies a pressure of 10N [E]. If the box is moving at an acceleration of 8.0𝑚/𝑠 2 [𝑊]What is the pressure being exerted on the box?
a. 10N [W]
b. 30N [W]
c. 50N [W]
d. 70N [W]
. Which of the following is a measure of the force of gravity acting on an object?
a. Weight
b. Inertia
c. Volume
d. Mass
Which of the following best describes nuclear fission?
a. Occurs when half of the radioactive particles in a sample decay
b. Occurs when all of the radioactive particles in a sample decay
c. Occurs when heavier elements split to form lighter elements
d. Occurs when lighter elements split to form heavier elements
Which of the following velocity-time graphs represents the motion of a ball thrown vertically upward?
A
B
C
D
A 72kg person is standing on a bathroom scale (calibrated in newtons) in the middle of an elevator. What is the reading on the scale when the elevator is accelerating upward at a rate of 1.60𝑚/𝑠 2?
a. 820N
b. 120N
c. 110N
d. 800N
If a crane lifts 420kg of supplies 110m to the top of a building in 2.00 minutes, what is the crane’s power?
3.8 ∗ 103W
8 ∗ 103W
3 ∗ 103W
3.8 ∗ 106W
Calculate the weight of a 54kg robot on the surface of Venus where the gravitational field intensity is 8.9N/kg [down].
6.8 ∗ 102N[↓]
4. 8 ∗ 102N[↓]
8 ∗ 102N[↓]
4 ∗ 102N[↓]
It takes 523J of thermal energy to melt 12.3g of a metal at its melting point. Find the specific latent heat of fusion of the metal
2.5 ∗ 104 𝐽/𝑘g
4.25 ∗ 104 𝐽/𝑘g
5.25 ∗ 104 𝐽/𝑘g
7.0 ∗ 104 𝐽/𝑘g
A bat sends a 1.10𝑥105𝐻𝑧 ultrasound signal out towards an insect 1.20𝑥102𝑚 away. If the temperature is 22𝑜𝐶, how long will it take the bat to hear the return signal?
∆𝑡 = 0.77s
∆𝑡 = 0.35s
∆𝑡 = 3.5s
∆𝑡 = 0.6s
A bolt of lightning delivers 25C of charge, releasing 1.2𝑥10 9 𝐽 of energy in 30.0ms. What is the power associated with the bolt?
P = 6.45 ∗ 1010W
P = 6.0 ∗ 1010W
P = 4.35 ∗ 1010W
P = 4.0 ∗ 1010W
A mover lifts a 50kg crate and carries it 30 m. How much work did the mover do?
15 000 W
0 J
15 000 N
15 000 J
The slope of a position-time graph always represents:
change in velocity
velocity
displacement
acceleration
The term uniform motion means:
displacement is constant
b. speed is constant
c. velocity is constant
d. accleration is consant
The area under a velocity-time graph always represents:
displacement
b. acceleration
c. distance
change in velocity
A bus is travelling at a constant speed of 24.0 m/s down a slope at 11.0 to the horizontal. What is the vertical component of the car's velocity?
25.4 m/s
b. 23.48 m/s
c. 4.58 m/s
d. 9.80 m/s
The time it takes for a vibrating particle in a wave to complete one cycle is:
frequency
b. wave speed
c. wavelength
d. period
The force of friction always acts in a direction exactly opposite to the:
net force
gravitational force
c. normal force
d. motion
How much work must be done to stop an 1800 kg vehicle travelling at 30 m/s?
5.3 x 10 J
b. 1.8 x 10 J
c. 5.4 x 10 J
d. 8.1 x 10 J
The diagram shows a standing wave in a string clamped at each end. What is the total number of nodes and antinodes in the standing wave?
3 nodes and 2 antinodes
4 nodes and 5 antinodes
c. 5 nodes and 4 antinodes
d. 2 nodes and 3 antinodes
Which statement is false, as suggested by the universal wave equation, v = fλ?
a. Speed is the product of the frequency and the wavelength
b. If the speed is held constant, wavelength increases as the frequency decreases
c. If the frequency is held constant, the speed increases as the wavelength increases
d. If the wavelength is held constant, the speed increases as the frequency decreases
A 30 ohm resistor and a 60 ohm resistor are connected in series. Compared to the electric current through the 30 ohm, the electric current through the 60 ohm resistor is:
smaller
larger
the same
None of the above
In which circuit would current flow through resistor R1, but not through resistor R2 while the switch S is open? (K:1)
3
4
2
1
Which of the following regarding electromagnets is FALSE?
To determine the magnetic field, compasses are used
Conventional current flows from negative to positive
Electromagnetism was discovered by Hans Oersted
Magnetic fields can be induced around non-magnetic materials
According to the right hand rule as it applies to straight conductor, which of the following is false?
Magnetic field is in the direction of your fingers
Your thumb points from negative to positive charge
Conventional current flows in the direction of your thumb
Your thumb points from positive to negative charge
A 330-ohm resistor is connected to a 5.00 V battery. The current through the resistor is:
15.2 mA
335 mA
0.152 mA
1650 mA
Which of the following is TRUE regarding AC (alternating current) and DC (direct current)?
Alternating current changes directions periodically
All countries use the same frequency of 50 times for AC
America primarily used AC in the early years
Most electrical transmission and generation currently is DC
Two identical resistors connected in parallel have an equivalent resistance of 40 ohms. What is the resistance of each resistor?
20 ohm
160 ohm
40 ohm
80 ohm
What is the total resistance of the circuit segment shown in the diagram below?
3.0 ohm
9.0 ohm
1.0 ohm
27 ohm
Three identical lamps are connected in parallel with each other. If the resistance of each lamp is X ohms, what is the equivalent resistance of the parallel combination?
X/3 ohm
3X ohm
X ohm
3/X ohm
What is the reading on ammeter A?
3.0 A
1.3 A
0.75 A
d. 1.5 A
The amount of energy in a circuit is known as ____
Current
Power
Resistance
Voltage
The rate of flow of electrons through a circuit is known as ___
Voltage
Resistance
Current
Power
An example of an electrical load is?
25V
25A
25Ω
25kg
In a series circuit, there are three resistors of values 3.0Ω, 4.0Ω and 5.0Ω. What is the total equivalent resistance of the circuit?
0.78Ω
1.3Ω
60Ω
12Ω
In a parallel circuit, there are three resistors of values 3.0Ω, 4.0Ω and 5.0Ω. What is the total equivalent resistance of the circuit:
0.78Ω
1.3Ω
60Ω
12Ω
The diagram shows the electric field in a region of space containing two small spheres, Y and Z. Which of the following statements is true?
The charge on Y is negative and the charge on Z is positive
The strength of the electric field is the same everywhere
The electric field is strongest midway between Y and Z
A small negatively charged object place at X would tend to move toward the right
Your family decides to charge you $0.04/(kW/h) for watching television. If the television set is rated at 125 W, how long can you watch TV for for $0.05?
0.010h
0.10h
0.16h
2.5h
Which of the following statements about the magnetic field of a bar magnet is true?
The magnetic field through the magnet moves from the north pole to the south pole
The magnetic domains are randomly oriented
The magnetic field are randomly oriented
The magnetic field through the magnet moves from the south pole to the north pole
Q.
Which of the following electrical energy generation plants produces no air pollution, but uses a non-renewable energy source?
Hydroelectric
Wind
Solar-thermal
Nuclear
Kirchoff’s law of voltage states that in a complete circuit,
The sum of voltage decreases equals the sum of voltage increases
All paths in a circuit have equal voltage increases
All electrons must travel the same path
Electrons provide the necessary voltage for the circuit to operate
A bar magnet is placed on a flat surface, with its North pole on the right. If a compass is placed just above the middle of the magnet, the compass needle should point?
To the left
To the right
Up
Down
A lantern flashlight consumes a current of 300.0mA for 25.0min from a 6.00V battery. Determine the amount of energy it consumes.
1.33𝑥10−2 𝐽
4.50𝑥104 𝐽
2.70𝑥103 𝐽
7.50𝑥101 𝐽
If the current through a resistor is 2A and the voltage across it is 12V, what is the resistance
12Ω
6Ω
24Ω
0.167Ω
If a circuit has two resistors in series both are 4Ω, what is the total resistance of the circuit?
1Ω
2Ω
4Ω
8Ω
If a circuit has two resistors in parallel both are 4Ω, what is the total resistance of the circuit?
1Ω
2Ω
4Ω
8Ω
What effect do electrons flowing through a resistor have on the resistor.
make it glow
reduce it's resistance
increase it's resistance
heat it up
In which circuit is the lamp brightesI
1
2
3
All the same
in which circuit is the lamp brightest
1
2
3
All the same
Q.
As the diameter of a wire increases, the resistance of the wire will
increase
decrease
Stay the same
None of the above
Which resistor has the biggest voltage across it?
2 Ω
3 Ω
4 Ω
all have the same
Which resistor has the biggest voltage across it?
2 Ω
3 Ω
4 Ω
all have the same
A 30 ohm resistor and a 60 ohm resistor are connected in series. Compared to the electric current through the 30 ohm, the electric current through the 60 ohm resistor is:
smaller
larger
the same
None of the above
In which circuit would current flow through resistor R1, but not through resistor R2 while the switch S is open? (K:1)
3
4
2
1
Which of the following regarding electromagnets is FALSE?
To determine the magnetic field, compasses are used
Conventional current flows from negative to positive
Electromagnetism was discovered by Hans Oersted
Magnetic fields can be induced around non-magnetic materials
According to the right hand rule as it applies to straight conductor, which of the following is false?
Magnetic field is in the direction of your fingers
Your thumb points from negative to positive charge
Conventional current flows in the direction of your thumb
Your thumb points from positive to negative charge
A 330-ohm resistor is connected to a 5.00 V battery. The current through the resistor is:
15.2 mA
335 mA
0.152 mA
1650 mA
Which of the following is TRUE regarding AC (alternating current) and DC (direct current)?
Alternating current changes directions periodically
All countries use the same frequency of 50 times for AC
America primarily used AC in the early years
Most electrical transmission and generation currently is DC
Two identical resistors connected in parallel have an equivalent resistance of 40 ohms. What is the resistance of each resistor?
20 ohm
160 ohm
40 ohm
80 ohm
What is the total resistance of the circuit segment shown in the diagram below?
3.0 ohm
9.0 ohm
1.0 ohm
27 ohm
Three identical lamps are connected in parallel with each other. If the resistance of each lamp is X ohms, what is the equivalent resistance of the parallel combination?
X/3 ohm
3X ohm
X ohm
3/X ohm
What is the reading on ammeter A?
3.0 A
1.3 A
0.75 A
d. 1.5 A
The amount of energy in a circuit is known as ____
Current
Power
Resistance
Voltage
The rate of flow of electrons through a circuit is known as ___
Voltage
Resistance
Current
Power
An example of an electrical load is?
25V
25A
25Ω
25kg
In a series circuit, there are three resistors of values 3.0Ω, 4.0Ω and 5.0Ω. What is the total equivalent resistance of the circuit?
0.78Ω
1.3Ω
60Ω
12Ω
In a parallel circuit, there are three resistors of values 3.0Ω, 4.0Ω and 5.0Ω. What is the total equivalent resistance of the circuit:
0.78Ω
1.3Ω
60Ω
12Ω
The diagram shows the electric field in a region of space containing two small spheres, Y and Z. Which of the following statements is true?
The charge on Y is negative and the charge on Z is positive
The strength of the electric field is the same everywhere
The electric field is strongest midway between Y and Z
A small negatively charged object place at X would tend to move toward the right
Your family decides to charge you $0.04/(kW/h) for watching television. If the television set is rated at 125 W, how long can you watch TV for for $0.05?
0.010h
0.10h
0.16h
2.5h
Which of the following statements about the magnetic field of a bar magnet is true?
The magnetic field through the magnet moves from the north pole to the south pole
The magnetic domains are randomly oriented
The magnetic field are randomly oriented
The magnetic field through the magnet moves from the south pole to the north pole
Q.
Which of the following electrical energy generation plants produces no air pollution, but uses a non-renewable energy source?
Hydroelectric
Wind
Solar-thermal
Nuclear
Kirchoff’s law of voltage states that in a complete circuit,
The sum of voltage decreases equals the sum of voltage increases
All paths in a circuit have equal voltage increases
All electrons must travel the same path
Electrons provide the necessary voltage for the circuit to operate
A lantern flashlight consumes a current of 300.0mA for 25.0min from a 6.00V battery. Determine the amount of energy it consumes.
1.33𝑥10−2 𝐽
4.50𝑥104 𝐽
2.70𝑥103 𝐽
7.50𝑥101 𝐽
If the current through a resistor is 2A and the voltage across it is 12V, what is the resistance
12Ω
6Ω
24Ω
0.167Ω
If a circuit has two resistors in series both are 4Ω, what is the total resistance of the circuit?
1Ω
2Ω
4Ω
8Ω
If a circuit has two resistors in parallel both are 4Ω, what is the total resistance of the circuit?
1Ω
2Ω
4Ω
8Ω
In which circuit is the lamp brightesI
1
2
3
All the same
in which circuit is the lamp brightest
1
2
3
All the same
