WorksheetsS2 2019 Physics Review
Total questions: 100
Worksheet time: 50mins
Which best describes "work?"
The product of a force and the displacement over which it acts.
The energy an object has stored due to its position or configuration.
A push or a pull.
The change in position of an object.
Which best describes "energy?"
The ability to do work.
The product of a force and the displacement over which it acts.
A push or a pull
The change in position of an object.
Which best describes "kinetic energy?"
The energy an object has due to being in motion.
The energy an object has due to its position.
Energy we perceive as heat.
A push or a pull.
Which best describes "potential energy?"
The energy an object has due to being in motion.
The energy an object has due to its position.
Energy we perceive as heat.
A push or a pull.
Which best describes "thermal energy?"
The energy an object has due to being in motion.
The energy an object has due to its position.
Energy we perceive as heat.
A push or a pull.
Which best describes "force?"
The energy an object has due to being in motion.
The energy an object has due to its position.
Energy we perceive as heat.
A push or a pull.
Which unit is used to measure energy?
kg
m
N
m/s2
J
Which unit is used to measure Force?
kg
m
N
m/s2
J
In order for work to be done. . .
A force must have an effect on the displacement of an object
Any force can be applied to an object with any motion
An object must have gravitational potential energy
An object must remain motionless
Ms. Bowns worked really hard on this drawing of a pendulum. Where does it have the most potential energy?
A
B
C
D
E
Ms. Bowns worked really hard on this drawing of a pendulum. Where does it have the most kinetic energy?
A
B
C
D
E
Does the following scenario have kinetic energy: "A ball rolls along a table at a height above the ground?"
yes
no
Does the following scenario have potential energy: "A ball rolls along a table at a height above the ground?"
yes
no
Check out this frictionless roller coaster. Where does the cart have the most potential energy?
A
B
C
D
The potential energy is equal everywhere.
Check out this frictionless roller coaster. Where does the cart have the most kinetic energy?
A
B
C
D
The kinetic energy is equal everywhere.
Check out this frictionless roller coaster. Where does the cart have the most total energy?
A
B
C
D
The total energy is equal everywhere.
Check out this frictionless roller coaster. If the cart has no velocity at point a, where does it have a combination of potential and kinetic energy?
A
B
C
D
As a skateboard rolls across the ground, it slows down. Why does this happen?
The kinetic energy is transformed into heat.
The potential energy is transformed into heat.
The kinetic energy is transformed into potential energy.
The potential energy is transformed into kinetic energy.
If there is no friction and no air resistance acting on an object, what can you say about its total energy?
Its total energy is constant
its total energy increases over time
its total energy decreases over time
An object starts with 500 J of potential energy when it is 10 m off the ground. When it falls to 5 m off the ground, how much potential energy will it have (ignore air resistance)?
500 J
250 J
0 J
It is impossible to tell with the info provided.
The potential and kinetic energy values of the pendulum are recorded at position B. At which other position would you expect the values to be the same?
D
A
C
E
The potential and kinetic energy values of the pendulum are recorded at position E. At which other position would you expect the values to be the same?
A
B
C
D
Which type of collision fits the description below?
Two cars collide and bounce off of each other.
Elastic
Inelastic
Explosion / Recoil
Which type of collision fits the description below?
Two cars collide and stay connected to each other.
Elastic
Inelastic
Explosion / Recoil
Which type of collision fits the description below?
A cannon with a cannonball is fired; the cannonball separates from the cannon.
Elastic
Inelastic
Explosion / Recoil
Which type of collision fits the description below?
A student on a skateboard jumps forward off of the skateboard, causing the skateboard to roll backwards.
Elastic
Inelastic
Explosion / Recoil
Which type of collision fits the description below?
When playing pool, two billiard balls collide and bounce away from each other.
Elastic
Inelastic
Explosion / Recoil
Which type of collision fits the image?
Elastic
Inelastic
Explosion / Recoil
Which type of collision fits the image?
Elastic
Inelastic
Explosion / Recoil
Which type of collision fits the image?
Elastic
Inelastic
Explosion / Recoil
A small car rear-ends a larger stationary van. If this is a closed system, how does the momentum before the collision compare to the momentum after the collision?
The momentum before the collision is larger
The momentum after the collision is larger
The momentum before the collision and after the collision are equal
It is impossible to tell without additional information
True or false: In a closed system, the total momentum before a collision is equal to the total momentum after the collision.
true
false
Momentum depends on (select all that apply). . .
the mass of the object
the velocity of the object
the time the object has been traveling
the force applied to the object
the acceleration of the object
A football player tackles another football player who was at rest. They are now attached to each other. What can you say about their new speed?
It is larger than the original football player's speed.
It is smaller than the original football player's speed.
It is zero.
Two cars collide in an elastic collision. They have the same initial speed but one car is much more massive. What will happen after the collision?
The cars will both be moving in the direction of the heavier car.
The cars will collide and stop.
The cars will both be moving in the direction of the lighter car.
The cars will bounce off each other in opposite directions.
A small puppy and a large dog are running toward you, but they have the same momentum. Which of the following must be true?
The puppy is running faster than the dog.
The dog is running faster than the puppy.
They are both running the same speed.
It is impossible for the small puppy to have the same momentum as the dog.
A cannon recoils after firing a cannonball. Even though the speed of the cannonball is very fast, the recoil speed of the cannon is small because. . .
The force on the cannon is small.
The cannon has much more mass than the cannonball.
The momentum of the cannon doesn't change.
The impulse on the cannon is smaller than the impulse on the cannonball.
A small bug is smashed against the windshield of a quickly-moving truck. Which object experiences the greater force?
The bug
The truck
They experience the same force
It's impossible to tell without knowing the mass of the objects
True or false: Airbags decrease the force on a person in a car accident because the lengthen the amount of time it takes for the person to come to a stop.
true
false
An egg with a foam helmet and an egg with no helmet are dropped to the floor. Why is the egg with a foam helmet more likely to survive?
The time of the collision will be increased
The force of the collision will be increased
The speed of the collision will be increased
The change in momentum is decreased
An egg with a foam helmet and an egg with no helmet are dropped to the floor. Which egg experiences a greater change in momentum?
They experience the same change in momentum
The egg with a helmet
The egg with no helmet
Imagine you are standing on an absolutely frictionless surface. In order to move around the surface, you can . . .
throw something in the direction opposite of where you'd like to go.
tiptoe across the surface very carefully.
walk normally across the surface.
crawl around the surface on your hands and knees.
The direction of the momentum vector is in the _____ direction as its velocity.
same
opposite
it depends on the situation
Which of the following subatomic particles are negatively-charged?
Electrons
Protons
Neutrons
Which of the following subatomic particles are positively-charged?
Electrons
Protons
Neutrons
Which of the following subatomic particles are neutrally-charged?
Electrons
Protons
Neutrons
A negatively-charged object will. . .
have more electrons than protons.
have more protons than electrons.
have more neutrons than electrons.
have more electrons than neutrons.
have more protons than neutrons.
A positively-charged object will. . .
have more electrons than protons.
have more protons than electrons.
have more neutrons than electrons.
have more electrons than neutrons.
have more protons than neutrons.
To make an object more positively-charged using electrostatics, you would. . .
add electrons
remove electrons
add protons
remove protons
add neutrons
To make an object more negatively-charged using electrostatics, you would. . .
add electrons
remove electrons
add protons
remove protons
add neutrons
Opposite charges will ____.
attract
repel
have no effect on each other
Like charges will ____.
attract
repel
have no effect on each other
Any charged object will have ____ interaction with a neutral object.
an attractive
a repulsive
no
The balloons shown in the image are attracting each other. What can we conclude with certainty?
Both balloons are charged with the same type of charge.
Both balloons are charged with the opposite type of charge.
Both balloons are charged - either with the same or opposite type of charge.
Only one balloon is charged; the other is neutral.
At least one balloon is charged; the other is either charged or neutral.
Which of the following subatomic particles are found in the nucleus (Select all that apply)?
electrons
protons
neutrons
What will happen if you increase the distance between two charged particles?
The force acting on them will decrease
The force acting on them will increase
The force acting on them will stay the same
Which type of charging involves touching an object to another to cause one to lose and one to gain electrons via direct contact?
friction
conduction
induction
Which type of charging involves shifting electrons in an object without direct contact?
friction
conduction
induction
Insulators are different than conductors in that insulators ___.
do not allow charge to freely move
do not contain electrons or protons
do not contain any charge
have a weaker affinity for electrons
A material that is a good conductor. . .
allows electrons to move freely.
allows protons to move freely.
does not allow electrons to move freely.
allows atoms to move freely
The positively-charged center of an atom is called the . . .
nucleus
proton
electron
conductor
In order to do this to a charged object, you connect it to the Earth and allow charges to equalize as needed.
Ground
Induce
Insulate
What will the balloons shown above do?
Attract
Repel
No Interaction
What will the balloons shown above do?
Attract
Repel
No Interaction
A positively-charged balloon is brought toward two metal soda cans as shown above. What will happen while the cans are still touching in image 1?
The electrons in the metal will move toward the balloon.
The electrons in the metal will move away from the balloon
The electrons will move into the balloon
The protons in the metal will move away from the balloon
The balloons shown in the image are repelling each other. What can we conclude with certainty?
Both balloons are charged with the same type of charge.
Both balloons are charged with the opposite type of charge.
Both balloons are charged - either with the same or opposite type of charge.
Only one balloon is charged; the other is neutral.
At least one balloon is charged; the other is either charged or neutral.
The pitch of a sound is directly related to its ____.
frequency
speed
wavelength
amplitude
Which of the following words matches the following definition: "the material through which a wave travels"
Wave
Speed
Medium
Oscillate
Which of the following words matches the following definition: "to move back-and-forth in a wavelike manner"
Wave
Speed
Medium
Oscillate
Which of the following words matches the following definition: "The time, in seconds, for a wave to complete one cycle"
Wave
Frequency
Medium
Period
Which of the following words matches the following definition: "The number of wave cycles to occur in one second"
Wave
Frequency
Medium
Period
Which of the following words matches the following definition: "A traveling disturbance of energy."
Wave
Frequency
Medium
Period
Which of the following is true about sound waves?
They don't need a medium to travel.
They can travel through the vacuum of space.
They need a medium to travel through.
They have an infinite speed.
An airplane is flying at the speed of sound. Which of the following images correctly show the airplane (the blue dot) relative to the sound waves it is emitting (the concentric circles)?
Image A
Image B
Image C
A police car with its siren on is approaching you from down the street. The sound you hear has ____ the sound being emitted.
a higher pitch than
a lower pitch than
the same pitch as
Which of the following will change the speed of a wave (select all that apply)?
Changing the amplitude
Changing the frequency
Changing the period
Changing the wavelength
Changing something about the medium the wave travels through
How many total waves are shown on the standing wave?
2
4
1.5
3.5
How many total waves are shown on the standing wave?
1
2
3
1.5
Which letter(s) show the wavelength of the wave?
F
G
B
E
D
Which letter(s) shows the amplitude of the wave?
F
G
B
E
D
Wave B is a ____ wave.
longitudinal
transverse
Wave A is a ____ wave.
longitudinal
transverse
What is the amplitude of this wave?
2.5 m
5 m
1 m
2 m
What is the wavelength of this wave?
2.5 m
5 m
1 m
2 m
5 waves pass by a point in 1 second. What is the period of this wave?
5 Hz
1/5 Hz
5 s
1/5 s
5 waves pass by a point in 1 second. What is the frequency of this wave?
5 Hz
1/5 Hz
5 s
1/5 s
A low pitched sound will have a low ___.
frequency
wavelength
speed
amplitude
Which color of light travels fastest?
Red
Violet
Blue
None of these! They all travel the same speed!
What are the primary colors of light?
Red, Green, Blue
Red, Yellow, Blue
Cyan, Magenta, Yellow
Black, White
Red, Magenta, Blue
The higher the frequency of a wave, the higher the ____ of the wave.
energy
amplitude
wavelength
speed
White light is shined on to a yellow shirt. The yellow shirt reflects ___ light (select all that apply).
Red
Green
Blue
White light is shined on to a yellow shirt. The yellow shirt absorbs ___ light (select all that apply).
Red
Green
Blue
White light is shined on to a magenta shirt. The magenta shirt reflects ___ light (select all that apply).
Red
Green
Blue
Light waves are ___ waves.
transverse
longitudinal
Sound is a ______ wave.
longitudinal
transverse
electromagnetic
light
If something appears white, it is ______ all colors of light.
reflecting
absorbing
If something appears black, it is ______ all colors of light.
reflecting
absorbing
Which travels faster?
sound waves
light waves
Which of the choices below has the highest frequency?
Visible light
Microwaves
Gamma Rays
Ultraviolet
Which of the choices below has the longest wavelength?
Radio Waves
Visible Light
Gamma Rays
Infrared
