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WorksheetsPhysics Final IA Review
Total questions: 75
Worksheet time: 1hrs 1mins
Which of the following velocity vs. time graphs corresponds to this position vs. time graph?
A
B
C
D
Which equation best represent this position vs time graph?
xf = (5 m/s)t
xf = (5 m/s)t + 2.5 m
xf = (10 m/s)t
xf = (10 m/s)t + 2.5 m
The object's velocity in this graph is represented by:
The y-intercept
The area under the curve
The slope
Velocity cannot be determined from this graph
If the graph represented a car moving in a straight line, which of the following best describes its motion?
Moving at a constant velocity
Moving at an increasing speed
Moving at an increasing acceleration
Not moving at all
From this plot, the acceleration of the car must be...
Zero
Constant but not zero
Increasing
Decreasing
From this graph...
The object is speeding up in the positive direction
The object is speeding up in the negative direction
The object is slowing down in the positive direction
The object is slowing down in the negative direction
From this graph...
The object is speeding up in the positive direction
The object is speeding up in the negative direction
The object is slowing down in the positive direction
The object is slowing down in the negative direction
From this graph...
The object is speeding up in the positive direction
The object is speeding up in the negative direction
The object is slowing down in the positive direction
The object is slowing down in the negative direction
From this graph...
The object is speeding up in the positive direction
The object is speeding up in the negative direction
The object is slowing down in the positive direction
The object is slowing down in the negative direction
Which of the following objects is NOT accelerating?
A ball dropped from a tall building
A ball thrown straight up in the air
A friction-negligible lab cart moving across a flat, friction-negligible desk
A friction-negligible lab cart moving down an inclined ramp
A ball tossed straight up rises, reaches its highest point, and then falls back to its starting point. During this time, the ball's acceleration is always pointing…
In the direction of motion
Opposite of the velocity
Down
Up
If you drop a feather and hammer simultaneously from the same height in a vacuum with no air, which will reach the ground first?
The feather
The hammer
They both hit the ground at the same time
They both fly away together to Dreamland
A ball is thrown straight up. At the top of its path, the instantaneous speed is
0 m/s
Not enough information is given
9.8 m/s
20 m/s
A ball is thrown straight up. At the top of its path, its acceleration is
0 m/s2
Not enough information is given
9.8 m/s2 pointing upwards
9.8 m/s2 pointing downwards
A car starts from rest, and after 7 seconds, it moves at 42 m/s. What is the car’s acceleration?
0.17 m/s2
1.67 m/s2
6 m/s2
7 m/s2
A car accelerates at 2 m/s2. If the car starts from rest, how much time does it need to accelerate to 20 m/s?
2 seconds
10 seconds
20 seconds
40 seconds
A coconut in free fall starts from rest. After falling for 6 seconds, what will its speed be?
6 m/s
9.8 m/s
58.8 m/s
60 m/s
A puck on a frictionless surface is already moving at 1 m/s. How much force is required to keep it moving at this speed?
0 N
1 N
2 N
Depends on how much the puck weighs
If an object has twice as much mass as another object, it also has twice as much...
Gravitational Acceleration
Velocity
Gravitational Force
Size
A 10 kg box hangs motionless from the ceiling and is supported by two vertical ropes. What is the tension in each rope?
5 N
10 N
49 N
98 N
Hawkeye shoots an arrow. Consider the force of the bowstring against the arrow; the equal, opposite force would be
The arrow's push against the bowstring
The weight of the arrow
Air resistance against the arrow
The friction of the ground against Hawkeye's feet
When your hand pushes against a wall, the force that the wall exerts on your hand is
Zero
Less than the force of the hand pushing on the wall
More than the force of the hand pushing on the wall
The same as the force of the hand pushing on the wall
You pull horizontally on a 50 kg crate with a 450 N applied force. If the friction force from the ground is 250 N, what is the Net Force?
50 N
200 N
450 N
700 N
As galaxies move away from us, their light is redshifted, which means that the observed frequencies are more towards the lower (red) end of the spectrum. This shifting of frequencies is due to:
Polarization
Gravity
The Doppler Effect
Inertia
If the net force acting on an object doubles, what happens to its acceleration?
It quarters
It halves
It stays the same
It doubles
A girl pulls on a 20 kg wagon and accelerates at 2 m/s2. What is the Net Force on the wagon?
2 N
10 N
20 N
40 N
When an object moves at a constant velocity or is motionless, what is the Net Force?
0 N
9.8 N
Its mass multiplied by its acceleration
Not enough information is given
If the force of friction on a sliding object is 25 N, what force needs to be applied to make it move at a constant velocity?
More than 25 N
25 N
Less than 25 N
Depends on its direction of motion
A hanging box is motionless; its forces are:
Balanced
Unbalanced
A soccer ball has already been kicked and is now slowing down as it rolls on the turf. Its forces are:
Balanced
Unbalanced
For an object moving in a circle, its velocity is always pointing:
Tangent to its path in the circle
Into the circle
Out of the circle
Below the circle
Centrifugal force is actually:
A real force
Inertia of the object wanting to stay in the circle
Inertia of the object wanting to leave the circle
The same thing as centripetal force
Centripetal force is:
A fictitious force
The force of a flower opening its petals
The force keeping an object moving in a circular path
The force someone feels pushing them out of the circle
At the top of a loop, the direction of the acceleration and net force is pointing
Down
Up
Clockwise
Counter-clockwise
At the bottom of a loop, the net force and acceleration is pointing
Down
Up
Clockwise
Counter-clockwise
Centripetal acceleration always points:
Forwards along the edge of the circle
To the center of the circle
Out of the circle
If a tire doubles its rotational speed, its acceleration:
Stays the same
Doubles
Quadruples
Halves
Which part of a vinyl record spins the fastest?
All parts of the disc spin at the same speed
The edge
The center
Between the edge and the center
What could be used to simulate gravity in a rotating space station?
There can never be gravity in space
Centripetal force
Centrifugal Force
Friction
An object that moves uniformly in a circle can have a constant ___________________ but a changing ___________________.
Speed; Velocity
Velocity; Speed
Accelerating objects are: (choose most inclusive answer)
getting faster
slowing down
speeding up or slowing down
changing velocity
If the radius of a circle is reduced to half its original value, how will this affect the acceleration?
The acceleration is doubled
The acceleration is halved
Radius has no effect on the acceleration
Centripetal force is a unique force
True; it is a new force of its own
False; it is just a name for another force
As the RADIUS INCREASES for an object moving in a circle, what happens to the centripetal force?
It increases
It decreases
It stays the same
As the MASS INCREASES for an object moving in a circle, what happens to the centripetal force?
It increases
It decreases
It stays the same
As the VECLOCITY INCREASES for an object moving in a circle, what happens to the centripetal force?
It increases
It decreases
It stays the same
You are on a merry-go-round moving at a constant speed. Which direction is your acceleration?
away from the center
towards the center
There is no acceleration, because the speed is constant
Which of the following is NOT an example of projectile motion?
A football thrown 10 yards in the air
A ball that has rolled off a table
A plane accelerating on a runway
An apple falling from a tree
Assume no air resistance; for an object in projectile motion, in what direction is the object's velocity constant?
Horizontal
Vertical
Both
Neither
Assume no air resistance; for an object in projectile motion, in what direction is the object's velocity accelerating?
Horizontal
Vertical
Both
Neither
A 5 kg cannonball is dropped from a cliff, that is 120 m tall. At the same time, an 8 kg cannonball is launched directly horizontally at 6 m/s from the same cliff. Each cannonball has the same shape. Assuming no air resistance, which object will hit the ground first?
The dropped cannonball
The launched cannonball
They hit the ground at the same time
There is not enough information
A baseball is thrown horizontally at 8 m/s. How long will it take the ball to travel a range of 40 m (assuming it doesn't hit the ground before then)?
5 s
8 s
There is not enough information
320 s
A water balloon is dropped from a skyscraper. How tall is the skyscraper if the ball reaches the ground in 10 seconds?
4.9 m
9.8 m
490 m
541 m
A juggler throws a ball directly upwards in the air. What is the velocity and acceleration of the ball at its maximum height?
Velocity = 0 m/s
Acceleration = 0 m/s2
Velocity = 0 m/s
Acceleration = -9.8 m/s2
Velocity = Nonzero
Acceleration = 0 m/s2
Velocity = Nonzero
Acceleration = -9.8 m/s2
A toy car is moving along with 4 J of kinetic energy. If the speed of the car is doubled, what will the new kinetic energy be?
1 J
2 J
8 J
16 J
A hang glider is soaring through the sky with 80 J of gravitational potential energy. If she lowers her height to half the original height, what will her new gravitational energy be?
20 J
40 J
80 J
160 J
What is always true of an object possessing a kinetic energy of 0 J?
It is on the ground
It is above the ground
It is moving
It is at rest
What is always true of an object possessing a gravitational potential energy of 0 J?
It is on the ground
It is above the ground
It is moving
It is at rest
What is the phenomenon called that changes the frequency of the siren sound as an ambulance drives by?
Constructive Interference
Resonance
Destructive Interference
Doppler Effect
What variable measures the height of a wave from equilibrium?
Amplitude
Frequency
Wavelength
Period
Sound waves are classified as a:
Transverse Wave
Longitudinal Wave
Seismic Wave
Electromagnetic Wave
Which type of wave does not require a medium to travel through?
Longitudinal
Transverse
Electromagnetic
Sound
The relationship between wavelength and frequency is:
Direct
Linear
Inverse
There is no relationship between the two
This term refers to the amount of time it takes for half of a certain substance to undergo radioactive decay.
alpha life
beta life
radioactivity time
half-life
Gamma rays have
no mass
a huge mass
a small mass
an average mass
The % of the parent isotope remaining after 1 Half Life.
50%
25%
12.5%
6.25%
The law of conservation of momentum states that the total momentum of all objects interacting with each other will ________________________ no matter of the nature of the forces between the object.
increase
decrease
remain constant
fluctuate
What is the momentum of a 3 kg ball moving at the velocity of 5 m/s east?
3 kg m/s east
5 kg m/s west
15 kg m/s west
15 kg m/s east
0 kg m/s
If a 70kg man and a 40kg boy are both running at the same velocity, who has more momentum?
The boy
The man
They both have the same momentum
What is the momentum of a 55 kg object with a velocity of 8.4 m/s?
462
6.5
1940.4
4532.2
