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AP Physics Semester Exam Review

Total questions: 80

Worksheet time: 2hrs 47mins

Name
Class
Date
1.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

2.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

3.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

4.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

5.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

6.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

7.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

8.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

9.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

10.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

11.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

12.

Select the two correct statements that describe the object's motion.

a)

The object is moving in the positive direction.

b)

The object is moving in the negative direction.

c)

The object is moving at a constant speed.

d)

The object is speeding up.

e)

The object is slowing down.

13.
A  car starts from rest and after  7 seconds it is moving at 42  m/s. What is the car’s acceleration?
a)
0.17
b)
1.67
c)
6
d)
7
14.
How long will it take a running horse to travel 260 m and attain a speed of 12 m/s from rest?
a)
1200 seconds
b)
1.2 hours
c)
43 Hours
d)
43 minutes
15.
A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 
a)
4.20 m
b)
52.5 m
c)
105 m
d)
158 m
16.
The SI unit for length or distance is
a)
foot (ft)
b)
inch (in)
c)
mile (mi)
d)
meter (m)
17.
In each of the following cases, determine which car has the greatest acceleration.
a)
starts from 0 m/s to 20 m/s in 4 seconds.
b)
speed up from 20m/s to 40m/s in 3 seconds
c)
slow down from 50m/s to stop in 2 seconds
d)
starts from 0 m/s to 20m/s in 5 seconds
18.
Motion sensors recorded the following data about a runner during a cross-country race. During which segment of the race did the runner have the greatest speed?
a)
W
b)
X
c)
Y
d)
Z
19.
The ball took 0.45 s to hit the ground 0.72 m from the table. What was the horizontal velocity of the ball as it rolled off the table?
a)
0 m/s
b)
0.63 m/s
c)
1.6 m/s
d)
2.2 m/s
20.
What would the d-t graph look like for an object travelling at a constant velocity? 
a)
Horizontal line
b)
Straight line
c)
Curved line
21.
What would the v-t graph look like for an object travelling at a constant velocity? 
a)
Curved line
b)
Straight line
c)
Horizontal line
22.
Describe the motion
a)
Slow to fast;   Negative direction
b)
Fast to slow;   Negative direction
c)
Fast to slow;   Positive direction
d)
Slow to fast;   Positive direction
23.
Describe the motion in segment C
a)
Slowing down;  Positive direction
b)
Slowing down;  Negative direction
c)
Speeding up;  Negative direction
d)
Constant velocity;  Negative direction
24.
What happens to the velocity of a ball as it is dropped off a cliff? 
a)
It decreases at a uniform rate 
b)
It increases at a uniform rate 
c)
It is constant 
d)
It increases at a non-uniform rate
25.
The equation for finding average acceleration for straight-line motion is
a)
(Vi-Vf) x Time
b)
(Vf-Vi) / Time
c)
Vi+Vf+time
d)
Vi+Vf-time
26.
What happens to the total distance that a ball travels as it falls off the side of a cliff?
a)
The distance remains constant 
b)
The distance increases at a uniform rate
c)
The distance increases at a nonuniform rate 
d)
The distance decreases at a uniform rate
27.
Problem #3
A car is traveling at a velocity of 35.0 miles per hour.  The car runs off a cliff that has an unknown height.  The car 'lands' 50.0 meters from the base of the cliff.

How long would it take the car to 'land' after exiting the rim of the cliff?
a)
1.4 seconds
b)
3.2 seconds
c)
4.8 seconds
d)
0.7 seconds
28.
At what time did runner A pass runner B?
a)
0 seconds
b)
1 second
c)
2 seconds
d)
3 seconds
29.
Calculate the acceleration for segment A.
a)
2 m/s2
b)
2 m/s
c)
-2 m/s2
d)
0 m/s2
30.
Who had the greatest average speed after 100 seconds?
a)
Mike
b)
Katelyn
c)
Alex
d)
They had the same average speed
31.
An airplane lands on a runway with a velocity of 150 m/s. How far will it travel until it stops if its rate of deceleration is constant at -3 m/s2?
a)
525 m
b)
3750 m
c)
6235 m
d)
9813 m
32.
A ball is thrown upward with an initial velocity of 20 m/s. How long will the ball take to reach its maximum height?
a)
19.6 s
b)
9.8 s
c)
6.3 s
d)
2.04 s
33.
A rocket is propelled upward with an acceleration of 25 m/s2 for 5 s. After that time, the engine is shut off, and the rocket continues to move upward. The  maximum height, in meters, that the rocket will reach is
a)
900
b)
1000
c)
1100
d)
1200
34.
A baseball is thrown straight upward. What is the ball's acceleration at its highest point?
a)
1/2 g, downward
b)
g, downward
c)
1/2 g , upward
d)
g, upward
35.

The graph above shows the velocity v as a function of time t for an object moving in a straight line. Which of the following graphs shows the corresponding displacement x as a function of time t for the same time interval?

a)
b)
c)
d)
36.

A force of 8 Newton’s is applied to a crate so that it moves at a constant velocity of 1.5 m/s. What is the net force?

a)

1.5 N

b)

8 N

c)

12N

d)

0 N

37.

A force of 8 Newton’s is applied to a crate so that it moves at a constant velocity of 1.5 m/s. What is the magnitude of the frictional force?

a)

1.5 N

b)

8 N

c)

12N

d)

0 N

38.

Why is there no net force in the middle of this graph? This is F to t for an elevator.

a)

There is. You can't trick me.

b)

The elevator is at rest

c)

The elevator is accelerating

d)

The elevator has a constant speed

39.

Is this object in equilibrium?

a)

Yes and it's moving right

b)

Yes and its at rest

c)

No, it's accelerating right

d)

No, it's at rest

40.

Which of these is a correct sum statement for Fx?

a)

Fa - Ff = ma

b)

Fnet = Ff

c)

Fn/Fg

d)

Fa = ma

41.

What's happening in this FBD?

a)

Forward acceleration

b)

Braking

c)

at rest

d)

constant velocity

42.

Is it possible to be moving to the left like this and have friction in that direction?

a)

Yes. You have negative acceleration.

b)

Yes. You have a constant velocity

c)

No. The force vectors must always point in the direction of motion

d)

No. You have negative acceleration.

43.

Is it possible for the normal force to be equal to the gravitational force?

a)

Yes. If the surface is horizontal.

b)

Yes. If the surface is vertical

c)

No. FN will always be less than Fg

d)

No. Fg will be less than FN.

44.

Is it possible for the normal force to be zero?

a)

Yes. If the surface is horizontal.

b)

Yes. If the surface is vertical

c)

No. FN will always be less than Fg

d)

No. Fg will be less than FN.

45.

Here are 3 FBD diagrams for an elevator. Consider them to be A, B, C. Which one shows an elevator accelerating upward?

a)

A

b)

B

c)

C

d)

none of these

46.

Here are 3 FBD diagrams for an elevator. Consider them to be A, B, C. Which one shows an elevator at rest?

a)

A

b)

B

c)

C

d)

none of these

47.

Here are 3 FBD diagrams for an elevator. Consider them to be A, B, C. Which one shows an elevator moving upward but braking?

a)

A

b)

B

c)

C

d)

none of these

48.

Is it possible for the object in the diagram to be moving to the right and have this FBD?

a)

Yes. It's possible that the x forces were just left off the diagram.

b)

Yes. It could be moving at a constant velocity.

c)

No. The FBD shows that the system is in equilibrium.

d)

No. An FBD shows all F.

49.

Why is this funny?

a)

Because gravity.

b)

It's not the impact velocity, it's the stopping acceleration that causes destruction

c)

because most people don't understand it

d)

the greater your mass is the harder you hit

50.

A forward force of 15 N is counteracted by a backwards frictional force of 6 N. The mass of the object is 2 kg. what is the acceleration?

a)

it cannot be determined

b)

4.5 m/s/s in the direction of the larger force

c)

7.5 m/s/s in the direction of the larger force

d)

3 m/s/s in the direction of the smaller force.

51.

A student has a weight of 155 lb. What is this in Newtons?

a)

70.5 N

b)

690 N

c)

155 N

d)

none of these is corrected

52.

The figure above shows a truck pulling three crates across a rough road. Which of the following shows the directions of all the horizontal forces acting on crate 2:

a)
b)
c)
d)
53.

Acceleration is _____.

a)

inversely proportional to mass

b)

inversely proportional to force

c)

directly proportional to mass

d)

directly proportional to momentum

54.

If the sum of all the forces acting on a moving object is zero, the object will _____.

a)

slow and stop

b)

immediately stop

c)

accelerate uniformly

d)

continue with a constant velocity

55.
Which of the following is true about the system shown?
a)
The system is not accelerating.
b)
The tension between m2 and m1 is less than the tension between m2 and m3
c)
The acceleration of the system only depends on m3
d)
None of the other answers are true
56.

Which of the following statements is true about the image above?

a)

The accelerations of the blocks will vary according to their mass

b)

The net force acting on each block is the same

c)

The blocks will experience the same acceleration

d)

The 3m box will eat the 2m and the m boxes

57.

Which of the following is not true about the system?

a)

T3 is equal to the scalar sum of the magnitudes of T2 and T1

b)

T3 is equal in magnitude to Fg

c)

The x- components of the T1 and T2 and equivalent but in opposite directions

d)

The system is in equilibrium.

58.
Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.
a)
2.4 m/s
b)
3.6 m/s
c)
3.9 m/s
d)
4.2 m/s
59.
You are moving a ball in a circle using 72 N of centripetal force. What would the force be if you doubled the velocity of the circle?
a)
244 N
b)
288 N
c)
36 N
d)
72 N
60.
Double the mass of an object, what happens to the force of attraction?
a)
4 times stronger gravity force
b)
4 times weaker gravity force
c)
2 times weaker gravity force
d)
2 times stronger gravity force
61.
Force of gravity is inversely proportional to
a)
Mass
b)
Weight
c)
Distance
d)
Time
62.
Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance? 
a)
F/3
b)
F/2
c)
F/6
d)
F/9
63.
Which of the following depict the speed of the bowling ball?
a)
A
b)
B
c)
C
d)
D
64.
Centripetal acceleration is the acceleration…
a)
Away from the center of the circle
b)
When an object is going straight
c)
Toward the center of a circle
d)
That doesn’t exist
65.
What force keeps planets in orbit around the Sun?
a)
Friction
b)
Gravity
c)
Momentum
d)
Velocity
66.
As the product of two objects' masses increases, the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
67.
If the force of gravity has been reduced by 1/4 which could be true?
a)
Mass was increased 4 times
b)
Mass was decreased 2 times
c)
Distance was increased 4 times
d)
Distance was doubled
68.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?
a)
9
b)
18
c)
72
d)
144
69.
Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?
a)
0.25 ms-2
b)
0.5 ms-2
c)
1 ms-2
d)
2 ms-2
70.
Which statement is true about an object that is traveling in uniform circular motion?
a)
The speed of the object varies.
b)
The net force on the object is directed toward the center of the circular path.
c)
The direction of the object's velocity is constant.
d)
The net force on the object is directed away from the center of the circular path.
71.
What happens to an object's speed as the radius decreases?
a)
It increases.
b)
It decreases.
c)
It remains unchanged.
72.
A pilot experiences centripetal acceleration of 2g's while maneuvering a loop at a speed of 400 m/s.  What is the radius of the loop?
a)
203 m
b)
8163 m
c)
80,003 m
d)
23 m
73.
What is the relationship between centripetal force and the mass of an object?
a)
direct
b)
inverse
c)
exponential
d)
inverse squared
74.
Which of the following is the unit for centripetal force?
a)
J
b)
m/s2
c)
kg⋅m/s
d)
N
75.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
76.
Which of these is the same everywhere?
a)
G
b)
g
c)
Fg
d)
weight
77.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
78.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
79.

The time taken for one complete cycle is called the...

a)

Period

b)

Frequency

c)

Angular velocity

80.

What happens to an object's speed as the radius is cut in half?

a)

It is halved

b)

It doubles

c)

It remains unchanged.