WorksheetsCP Physics Final Exam Practice Test
Total questions: 67
Worksheet time: 44mins
Acceleration is defined as the rate of change of
position over time.
time with respect to velocity.
speed divided by distance.
velocity with respect to time.
motion over total displacement.
A cyclist covers 10 meters every second without speeding up or slowing down. The cyclist’s acceleration is
1 m/s²
5 m/s²
0 m/s²
10 m/s²
not enough information
A skateboarder increases her velocity from 4 m/s to 20 m/s in 4 seconds. What is her acceleration?
4 m/s²
5 m/s²
6 m/s²
16 m/s²
none of the above
In the absence of air resistance, all falling objects near Earth accelerate at about
5 m/s²
9.8 m/s²
15 m/s²
0 m/s²
none of the above
A rock is thrown straight upward. At the highest point in its path, its
speed is maximum
velocity is upward
acceleration is zero
speed is zero
A stone is thrown straight up. While at the peak of its motion, the stone’s acceleration is
0 m/s²
4.9 m/s²
9.8 m/s² downward
9.8 m/s² upward
19.6 m/s²
A motorcycle starts from rest and accelerates uniformly at 3 m/s². How long will it take to reach 30 m/s?
5 s
10 s
15 s
20 s
none of the above
Friction always acts
in the same direction as motion
opposite to the direction of motion
perpendicular to motion
toward the center of mass
in a circular path
Newton's first law (law of inertia) tells us that an object will remain in its state of motion unless
acted upon by its own force
a net external force acts on it
gravity pulls it down
friction becomes zero
acceleration is constant
The law of inertia applies to
resting objects only
moving objects only
all objects, regardless of motion
objects with mass
objects in vacuum only
A hockey puck slides on ice at constant speed. What keeps it moving?
Its weight
Gravity
Inertia
Friction
Normal force
A crate is pushed with a constant force but does not accelerate. What must be true?
Friction is zero
Net force is positive
Friction equals the applied force
Crate is getting faster
Mass is zero
A 60-N object has a mass of approximately
3 kg
6 kg
9 kg
12 kg
60 kg
What is the weight of a 4.0-kg object on Earth?
4.0 N
9.8 N
19.6 N
39.2 N
98.0 N
If the mass of an object doubles, what happens to its acceleration under the same force?
It doubles
It is halved
It stays the same
It triples
It becomes zero
A block experiences 15 N of friction when sliding. To keep it moving at constant speed, you must apply
more than 15 N
exactly 15 N
less than 15 N
no force
depends on the surface
A student pulls a 5.0-kg box with 30 N of net force. What is the box’s acceleration?
2 m/s²
5 m/s²
6 m/s²
10 m/s²
15 m/s²
A 10-kg object is pulled with a force of 100 N and experiences 30 N of friction. What is its acceleration?
3 m/s²
5 m/s²
7 m/s²
10 m/s²
13 m/s²
An object weighing 40 N falls through air and experiences 10 N of air resistance. What is the net force?
0 N
10 N
30 N
40 N
A car has a mass of 1000 kg and accelerates at 4 m/s². What is the net force on the car?
400 N
1000 N
4000 N
10000 N
14000 N
You exert 200 N to pull a crate, and it accelerates at 2 m/s². What is the crate’s mass?
50 kg
100 kg
150 kg
200 kg
400 kg
If you push a 40-kg sled with 300 N and there is 100 N of friction, the acceleration is
5 m/s²
7.5 m/s²
10 m/s²
12.5 m/s²
none of the above
An airplane cruises at constant velocity with 40,000 N of thrust. The air resistance must be
0 N
20,000 N
40,000 N
60,000 N
80,000 N
For every force there is an equal and opposite force. This is Newton’s
First Law
Second Law
Third Law
Law of Friction
Law of Gravity
A person pulls Earth upward with the same force Earth pulls them down. This is an example of
unbalanced force
Newton’s first law
Newton’s third law
weightlessness
zero net force
A mosquito hits a bus. Which force is greater?
Force of bus on mosquito
Force of mosquito on bus
Both forces are equal
Depends on speed
Not enough info
Two dogs pull on a rope, each with 300 N. The tension in the rope is
0 N
150 N
300 N
600 N
none of the above
A vector quantity must include
direction only
time and direction
magnitude and direction
mass and speed
displacement and time
In physics, work is done when
an object is moving in a circle.
a force causes displacement.
energy is lost as heat.
time is multiplied by energy.
the object remains stationary.
Lifting three identical boxes to the same height as one requires
one-third the work.
the same amount of work.
three times the work.
nine times the work.
no additional work.
Doubling the force applied to move an object while also doubling the distance moved results in
the same amount of work.
twice the work.
four times the work.
half the work.
one-fourth the work.
Power is a measure of
how much time it takes to apply a force.
the distance an object moves.
how quickly work is done.
how hard an object is pushed.
the speed at which an object moves.
A ball held 2 meters above the ground has potential energy because of its
mass.
position.
color.
motion.
shape.
The potential energy of an object is directly related to its
mass and acceleration.
volume and density.
height and mass.
The kinetic energy of a 10-kg object moving at 4 m/s is
20 J
40 J
80 J
160 J
none of the above
If a car's speed doubles, its kinetic energy
remains unchanged.
doubles.
triples.
increases four times.
increases eight times.
Two people mow identical lawns. One finishes in 30 minutes, the other in 60 minutes. Who uses more power?
The first person
The second person
Both use the same power
Power doesn’t apply here
Not enough information
Which requires more work: lifting a 25-kg object 5 meters or a 50-kg object 2.5 meters?
The 25-kg object
The 50-kg object
Both require the same work
Depends on speed
Cannot be determined
An object with kinetic energy is definitely
stationary.
moving.
resting on a slope.
falling.
being lifted.
A worker pushes a crate with 50 N of force over a distance of 4 meters. How much work is done?
100 J
150 J
200 J
250 J
300 J
If 100 J of work is done in 20 seconds, the power output is
2 W
5 W
20 W
50 W
200 W
Carrying a 100-N backpack 10 meters across a room without lifting or lowering it involves
1000 J of work.
10 J of work.
0 J of work.
100 J of work.
1 J of work.
An object weighing 30 N moves at a constant speed of 2 m/s. Its kinetic energy is
15 J
30 J
60 J
depends on mass, not weight
cannot be determined without more info
Which of the following electromagnetic waves has the shortest wavelength?
Radio waves
Infrared waves
Ultraviolet waves
X-rays
Gamma rays
Compared to sound, light travels
slower.
faster.
at nearly the same speed.
Sound waves are unable to propagate through
metal.
water.
a vacuum.
An explosion occurs 680 meters away. If sound travels at 340 m/s, how long does it take for the sound to reach you?
1 second
2 seconds
10 seconds
20 seconds
A sound wave has a frequency of 850 Hz and travels at 340 m/s. Its wavelength is approximately
0.4 m
0.5 m
4 m
5 m
The time it takes for one complete cycle of a wave to pass a point is called its
frequency.
velocity.
amplitude.
period.
wavelength.
The distance between two successive peaks in a wave is called the
amplitude.
period.
wavelength.
frequency.
Hertz is the unit used to measure
wavelength.
frequency.
amplitude.
velocity.
A wave generated by moving a rope up and down rapidly is an example of a
longitudinal wave.
transverse wave.
standing wave.
sound wave.
Which of the following waves is NOT transverse?
Light
Radio waves
Sound
Water waves
Sound waves are an example of
transverse waves.
longitudinal waves.
standing waves.
electromagnetic waves.
When two waves overlap at the same place and time, the phenomenon is called
interference
diffraction
refraction
resonance
On a standing wave, the point that does not move is called a
node.
crest.
antinode.
trough.
As an ambulance with a siren passes you, the pitch of the siren seems to
increase as it approaches and decrease as it moves away.
stay constant.
decrease as it approaches and increase as it moves away.
The Doppler effect describes
change in wave speed due to medium.
change in frequency due to relative motion.
change in wave amplitude.
reflection of waves.
If the amplitude of a wave is 3 meters, the total vertical distance from crest to trough is
1.5 m
3 m
6 m
9 m
If you increase the frequency at which you dip your finger into water, the wavelength of the waves will
increase.
decrease.
stay the same.
A sound wave with higher frequency has a wavelength that is
shorter.
longer.
If a wave has three crest passing every second and travels 10 meters in 5 seconds, its wavelength is
1 m
5 m
10 m
20 m
A sailor notices waves with crests 25 meters apart and a crest passing every 5 seconds. What is the speed of the waves?
5 m/s
10 m/s
15 m/s
20 m/s
Imagine that you are vacationing on Earth's moon and accidentally drop your phone off a balcony from the first floor of your hotel. You observed that it took almost 2 seconds for your phone to fall a distance of 3 meters.
a) Which one of these equations can you apply to solve for gravitational acceleration on the moon?
b) What is the gravitational acceleration on the moon? Show Calculations!
Now imagine that while you are on the moon, you are so happy to be there that you take your phone and throw it directly up into the air as fast as you can at 10 m/s and you observe that your phone reaches an incredible height above you but you can't measure how high it flew.
a) Which one of these equations can you apply to solve for the maximum height your phone reached on the moon?
b) What is the maximum height your phone reached, and how long did your phone take to reach that height and fall back? Show Calculations.
A roller coaster begins at rest 240 m above the ground. Assume no friction from the wheels and air and that no energy is lost to heat, sound, etc.
a) Find the speed of the roller coaster at point B, 120 meters above ground.
b) Find the speed of the roller coaster at point C.
c) Find the height of the roller coaster at point D if its speed is 32 m/s.
(g = 10.0 m/s²) Show Calculations!
TME = KE + PE
KE = 1/2mv2
PE = mgh
How does the Doppler Effect explain change in frequency and wavelength of sound and light waves of moving objects?
If you were an observer of a fast moving and bright object producing sound and visible light waves, what would high and low pitch and red and blue shift mean in terms of the motion of that object?
