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WorksheetsFinal Exam Review
Total questions: 65
Worksheet time: 4hrs 36mins
An object moves at a constant speed of 6 m/s. This means that the object:
Increases its speed by 6 m/s every second
Decreases its speed by 6 m/s every second
Doesn't Move
Moves 6 meters every second
Which of the following is a vector quantity?
Speed
Time
Traveled Distance
Velocity
The diagram above illustrates a person who, starting from the origin, walks 8 km east during first day, and 5 km west the next day. What is the net displacement of the person from the initial point in two days?
6 km, east
3 km, east
10 km, west
5 km, west
The diagram above illustrates a person who, starting from the origin, walks 8 km east during first day, and 5 km west the next day. What is the traveled distance of the person from the initial point in two days?
13 km
3 km
10 km
5 km
Which of the following is true?
The object increases its velocity.
The object decreases its velocity
The object's velocity stays unchanged
The object stays at rest
What is the velocity of the object?
4.0 m/s
20 m/s
8 m/s
5 m/s
What is the initial position of the object?
2 m
4 m
6 m
8 m
What is the velocity of the object?
2 m/s
2.5 m/s
4 m/s
8 m/s
Which of the following is true?
The object speeds up
The objects slows down
The object moves at constant velocity
The object just stays at rest
What is the velocity of the object at 5 s?
1 m/s
2 m/s
4 m/s
5 m/s
An object moves with a constant acceleration of 5 m/s2. Which of the following statements is true?
The objects velocity stays the same.
The object moves 5 m each second
The object's acceleration increases by 5 m/s2 each second
The object's velocity increases by 5 m/s each second
A truck travels east with an increasing velocity. Which of the following is the correct direction of the truck’s acceleration?
A race car moving west begins to slow down after crossing a finish line. Which of the following is the correct direction of the car’s acceleration?
A car and a delivery truck both start from rest and accelerate at the same rate. However, the car accelerates for twice the amount of time as the truck. What is the final speed of the car compared to the truck?
Half as much
The same
Twice as much
Four times as much
A car and a delivery truck both start from rest and accelerate at the same rate. However, the car accelerates for twice the amount of time as the truck. What is the traveled distance of the car compared to the truck?
Half as much
The same
Twice as much
Four times as much
A modern car can develop an acceleration four times greater than an antique car like “Lanchester 1800”. If they accelerate over the same distance, what would be the velocity of the modern car compared to the antique car?
Half as much
Same
Twice as much
Four times as much
Two baseballs are thrown from the roof of a house with the same initial speed, one is thrown up, and the other is down. Compare the speeds of the baseballs just before they hit the ground.
The one thrown up moves faster because the initial velocity is up
The one thrown down moves faster because the initial velocity is down
They both move with the same speed
The one thrown up moves faster because it has greater acceleration
A tennis ball is dropped from the top of a tall building. A second tennis ball is thrown down from the same building. Make a statement about the acceleration of each tennis ball.
The first ball falls with a greater acceleration
The second ball falls with a greater acceleration
They both fall with the same acceleration because they stared from the same height
They both fall with the same acceleration because they are in free fall
Which of the following is true about the direction the ball’s velocity and acceleration between A and B?
Which of the following is true about the direction the ball’s velocity and acceleration between B and C?
Which of the following is true about the ball’s velocity and acceleration the highest point B?
Its velocity and acceleration are both zero
Its velocity is up and non-zero constant and acceleration is zero
Its velocity is down and non-zero constant and acceleration is zero
Its velocity is zero and acceleration is down and non-zero constant
A football, a hockey puck, and a tennis ball all fall down in the absence of air resistance. Which of the following is true about their acceleration?
The acceleration of the football is greater than the other two
The acceleration of the hockey puck is greater than the other two
The acceleration of the tennis ball is greater than the other two
They all fall down with the same constant acceleration
What is the average velocity of the motorbike during first 5 s?
0 m/s
5 m/s
10 m/s
15 m/s
What is the acceleration of the motorbike?
0 m/s2
2 m/s2
4 m/s2
6 m/s2
A person going to school travels in a straight line directly east. First, they run for 20 s traveling a distance of 40 m, but then they get tired and walk at a speed of 1.5 m/s for another 20 s. What is the average velocity of the person during the time they travel to school?
1.75 m/s
1.5 m/s
1 m/s
2 m/s
A person going to school travels in a straight line directly east. First, they run for 20 s traveling a distance of 40 m, but then they get tired and walk at a speed of 1.5 m/s for another 20 s. What is the total distance the person has to travel to school?
30 m
50 m
40 m
70 m
The graph below represents the position of four moving objects as a function of time. Which object has the least non-zero velocity?
A
B
C
D
The graph below represents the position of four moving objects as a function of time. What is the velocity of the object traveling the fastest?
1.5 m/s
3 m/s
0 m/s
2 m/s
In the absence of a net force, a moving object will
Slow down and eventually stop
Stop immediately
turn right
move with a constant velocity
turn left
When a cat sleeps on a table, the net force on it is
Zero
directed upward
directed downward
directed in the horizontal direction
When the engines on a rocket ship in deep space, far from any other objects, are turned off, it will
slow down and eventually stop
stop immediately
turn right
move with constant velocity
turn left
In order for a rocket ship in deep space, far from any other objects, to move in a straight line with constant speed it must exert a net force that is
proportional to its mass
proportional to its weight
proportional to its velocity
zero
proportional to its displacement
If a book on the dashboard of your car suddenly flies towards you, the forward velocity of the car must have
decreased
increased
changed direction to the right
become zero
changed direction to the left
A spacecraft travels at a constant velocity in empty space far away from any center of gravity. Which of the following about the force applied on the spacecraft is true?
The applied force is equal to its weight
The applied force is slightly greater than its weight
The applied force is slightly less that its weight
The applied force must perpendicular to its velocity
No applied force is required to maintain a constant velocity
A boy rides a bicycle at a constant velocity. Which of the following about the net force is true?
There is a net force acting in the velocity direction
There is a net force acting opposite to the velocity direction
The net force is zero
There is a net force acting perpendicularly to the velocity direction
A passenger standing in a moving bus, facing forward suddenly falls forward. This can be an indication which of the following?
The bus speeds up
The bus slows down
The bus doesn't change its velocity
The bus turns to the right
The bus turns to the left
A passenger standing in a moving bus, facing forward suddenly falls backward. This can be an indication which of the following?
The bus speeds up
The bus slows down
The bus doesn't change its velocity
The bus turns to the right
The bust turns to the left
A passenger standing in a moving bus, facing forward suddenly falls to the right. This can be an indication which of the following?
The bus speeds up
The bus slows down
The bus doesn't change its velocity
The bus turns right
The bus turns left
The acceleration of an object is proportional to
The net force acting on it
its position
its velocity
its mass
its displacement
The acceleration of an object is inversely proportional to
The net force acting on it
Its position
Its velocity
Its mass
its displacement
A net force F accelerates a mass m with an acceleration a. If the same net force is applied to mass 5m, then the acceleration will be
5a
25a
a/5
a/25
a/10
A net force F acts on a mass m and produces an acceleration a. What acceleration results if a net force 3F acts on mass 6m?
a/2
8a
4a
2a
a/4
A loaded truck collides with a car causing huge damage to the car. Which of the following is true about the collision?
The force on the truck is greater than the force on the car
The force on the car is greater than the force on the truck
The force on the truck is the same in magnitude as the force on the car
During the collision the truck makes greater displacement than the car
During the collision the truck has greater acceleration than the car
When a baseball is struck by a bat, the force of the bat on the ball is equal and opposite to the force of the ball on the bat. This is an example of
Newton's first law
Newton's second law
Newton's third law
Newton's law of gravitation
If you exert a force F on an object which has a much greater mass than you do, the force which the object exerts on you will
be of magnitude F and in the same direction
be of magnitude F and in the opposite direction
be of much less magnitude than F
be of much greater magnitude than F
Newton’s third law refers to “action-reaction forces”. These forces always occur in pairs and
sometimes act on the same object
always act on the same object
may be at right angles
never act on the same object
Action-reaction forces are
equal in magnitude and point in the same direction
equal in magnitude and point in opposite directions
unequal in magnitude but point in the same direction
unequal in magnitude and point in opposite directions
A car traveling at 40 m/s strikes a mosquito. Which of the following is the true statement?
The force on the mosquito is greater than the force on the car
The force on the mosquito is equal to the force on the car
The force on the mosquito is smaller than the force on the car
The damage to the mosquito is equal to the damage to the car
The Earth pulls down on a railroad wagon with a force of 200 kN. Which of the following is the “reaction force”?
The wagon pulls up the Earth with 200 kN
The wagon pushes down the railroad with 200 kN
The railroad pushes up the wagon with 200 kN
The buoyant force pushes up the wagon with 200 kN
The wagon pushes down the Earth with 200 kN
A railroad wagon pushes down on a railroad with a force of 200 kN. Which of the following is the “reaction force”?
The wagon pulls up the Earth with 200 kN
The wagon pushes down the railroad with 200 kN
The railroad pushes up the wagon with 200 kN
The buoyant force pushes up the wagon with 200 kN
The wagon pushes down the Earth with 200 kN
Earth pulls downward on a pen, of mass m, which is sitting on a table; the magnitude of the force is mg. If that is called the action force, what is the reaction force?
The table pushing up on the pen with a force equal to mg
The pen pushing down on the table with a force equal to mg
The table pushing down on the floor with a force equal to mg
The pen pulling upward on Earth with a force equal to mg
The pen pulling up on the table with a force equal to mg
In the diagram shown above, two blocks A and B with masses m and 2m are in contact on a horizontal frictionless surface. A force F is applied to block A. What is the acceleration of the system two blocks?
F/m
F/2m
F/3m
F/4m
F/5m
In the diagram shown above, two blocks A and B with masses m and 2m are in contact on a horizontal frictionless surface. A force F is applied to block A. What is the force exerted by block A on block B?
F/2m
F/3m
3F/2
2F/3
F/5m
A block with initial velocity of 3 m/s slides 9 m across a rough horizontal surface before coming to rest. What is the coefficient of kinetic friction?
0.10
0.50
0.30
0.05
0.01
A locomotive is pulling an empty freight car with a constant acceleration on a horizontal surface. The mass of the locomotive is five times the mass of the car. Which statement is true about the force applied by the car on the locomotive?
5 times greater than the force of the locomotive on the car
5 times less than the force of the locomotive on the car
Zero since they move with a constant acceleration
Equal to the force of the locomotive on the car
A block of mass 4m can move without friction on a horizontal table. This block is attached to another block of mass m by a string that passes over a frictionless pulley. If the masses of the string and the pulley are negligible, what is the magnitude of the acceleration of the descending block?
g/5
g/4
g/3
2g/3
g
Two blocks are attached by a compressed spring and are initially held at rest on a frictionless surface. The blocks are then released simultaneously. If block I has four times the mass of block II, which of the following quantities is the same for both blocks as the spring pushes the two blocks away from each other?
Speed
Velocity
Acceleration
Displacement
Force on Each Block
In the figure to the right, two boxes of masses m and 3m are connected by a string while a force F is pulling on the more massive box; what is the tension force in the string between the boxes?
3F
5F
3/8F
1/3F
1/5F
In the figure to the right, two boxes of masses m and 3m are connected by a string while a force F is pulling on the more massive box; what is the acceleration of the less massive box?
F/m
F/2m
F/4m
F/5m
F/6m
In the figure to the right, two boxes of masses m and 3m are connected by a string while a force F is pulling on the more massive box; what is the tension force in the string between the boxes?
F/m
F/2
F/4
F/5
F/6
In the figure to the right, two boxes of masses m and 4m are in contact with each other on a frictionless surface. What is the acceleration of the more massive box?
F/m
F/2m
F/4m
F/5m
F/6m
In the figure to the right, two boxes of masses m and 4m are in contact with each other on a frictionless surface. What is the force causing the acceleration of the more massive box?
4F
3F/2
5F/4
4F/5
F/6
In the Atwood machine, shown on the diagram, two masses M and m are suspended from the pulley, what is the magnitude of the acceleration of the system? (Ignore friction and the mass of the pulley. M > m)
A horizontal force is exerted on an object so that it accelerates at a constant rate across a rough horizontal surface (friction cannot be neglected). The applied force is then doubled; what happens to the object’s acceleration?
It increases to more than double its original value
increases to exactly double its original value
It increases to less than double its original value
It increases somewhat
It drops to zero
Why is it so much more difficult to get a heavy table to start moving, than it is to keep it moving?
the normal force is greater for objects at rest
