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AP Physics Exam Review

Total questions: 50

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

2.
Which is Newtons first law
a)
Force is equal to an objects mass times its velocity 
b)
an object in motion stays in motion or an object at rest stays at rest unless acted on by an outside force.
c)
Law of the land
d)
For every action there is an equal and opposite reaction
3.
Which is Newtons third law
a)
Force is equal to an objects mass times its velocity 
b)
an object in motion stays in motion or an object at rest stays at rest unless acted on by an outside force.
c)
Law of inertia
d)
For every action there is an equal and opposite reaction
4.

Which is Newtons second law

a)

Force is equal to an objects mass times its acceleration

b)

an object in motion stays in motion or an object at rest stays at rest unless acted on by an outside force.

c)

law of inertia

d)

For every action there is an equal and opposite reaction

5.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
6.
A motorboat, which has a speed of 5 meters per second in still water, is headed east as it crosses a river flowing south at 3.3 meters per second. What is the magnitude of the boat’s resultant velocity with respect to the starting point?
a)
3.3 m/s
b)
5.0 m/s
c)
6.0 m/s
d)
8.3 m/s
7.
How much time would it take for an object to fall 4.7 meters?
a)
0.959 s
b)
4.79 s
c)
0.979 s
8.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
9.

The graph below represents

a)

Decreasing Speed

b)

Constant Velocity

c)

Constant Acceleration

d)

Constant Deceleration

10.
The graph represents
a)
Acceleration
b)
No motion
c)
Deceleration
d)
Constant Velocity
11.
The graph represents
a)
No motion
b)
Constant velocity
c)
Acceleration
d)
Deceleration
12.
The graph respresents
a)
No motion
b)
Constant Velocity
c)
Acceleration
d)
Deceleration
13.
The graph represents
a)
no motion
b)
Constant velocity
c)
Acceleration
d)
negative acceleration
14.
The graph represents
a)
no motion
b)
constant velocity
c)
acceleration
d)
negative acceleration
15.
Which statement describes a vector?
a)
It has magnitude but no direction
b)
It has direction but no magnitude
c)
It has both direction and magnitude
d)
It has constant magnitude but no
 direction
16.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
17.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
18.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
19.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
20.
When you stretch a rubber band like in the picture and then let it go, what kind of energy transfer is taking place?
a)
Elastic potential to potential
b)
Elastic potential to heat
c)
Elastic potential to kinetic energy
d)
Kinetic energy to gravitational 
21.
An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff.
Which equation is appropriate?
a)
v=vo+at
b)
Δx=vot+1/2at2
c)
v2=vo2+2aΔX
d)
Δx=((v+vo)/2)t
22.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
23.
How far has the red runner gone in 3 seconds?
a)
40 yards
b)
10 yards
c)
30 yards
d)
20 yards
24.
How much time does it take for a car travelling at 65 miles/hour to travel 300 miles?
a)
4.6 hours
b)
0.22 hours
c)
19,500 hours
d)
none of the above
25.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800 meters
b)
400  meters
c)
0 meters
d)
200 meters
26.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
27.
Is 4,000 mg greater than, less than, or equal to 4 g?
a)
greater than
b)
less than
c)
equal to
28.
convert 30 cm to m
a)
300
b)
3
c)
0.03
d)
0.3 m
29.
In practice A of the figure, What is  the magnitude of the  resultant displacement?
a)
5 km 
b)
8 km
c)
11 km
d)
15 km
30.
In practice B of the figure, which displacement is the horizontal component?
a)
30 km, East
b)
30 km, West
c)
40 km, North
d)
40 km, South
31.

Going down a hill a 12 kg sled has a force of 36 N. What is it's acceleration?

a)

2 m/s2

b)

3 m/s2

c)

I don't know

d)

What?

32.
How much energy does a 50 kg rock have if it is sitting on the edge of a 15m cliff?
a)
7,350 J
b)
6,500 J
c)
2,500 J
d)
OJ
33.
If a toy helicopter is moving at 12 m/s, how much energy does the 3 kg toy have?
a)
2160J
b)
2100J
c)
216J
d)
21J
34.
What force causes the acceleration at Section 4?
a)
Force of Gravity Increases the  Speed
b)
Force of Gravity Decreases  the Speed
c)
Force of Friction Increase the speed
d)
Force of Wind resistance Increases the Speed
35.
This is a rocket.The rocket pushes the fuel down.What is the other force in this interaction pair?
a)
The fuel pulls the rocket up.
b)
The fuel pushes the rocket up.
c)
The rocket pulls the earth up.
d)
The earth pulls the rocket down.
36.

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

37.

Which of these is a correct sum statement for Fx?

a)

Fa - Ff = ma

b)

Fnet = Ff

c)

Fn/Fg

d)

Fa = ma

38.

The box on the incline is at rest due to friction. Which of these calculations would allow you to get the frictional force?

a)

mg cos theta

b)

mg sin theta

c)

normal force

d)

mg

39.
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
40.

Camille launches has a catapult that changes the velocity of a ball (m= 2 kg) from 0 to 10 m/s in one sec. What is the average force that is exerted on the ball during launch?

a)

20 N

b)

5 N

c)

8 N

d)

0.2 N

41.

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.

42.

Sam is hover boarding down they hall at a constant velocity. Assuming there is friction, which of the following must be true?

a)

The force applied by the board must be greater than the frictional force

b)

The frictional force must equal the force applied by the board

c)

The force applied must equal zero

d)

There is not enough information

43.

What are the TWO equilibrium cases for forces acting on an object?

a)

When the object is moving at a constant velocity

b)

The object is speeding up

c)

The object is at rest

d)

The object is slowing down

44.

Imagine that this device was set on a cart. If the cart starts moving, which bucket will move farther back and why?

a)

The empty bucket because it has more inertia.

b)

The empty bucket because it has less inertia.

c)

The full bucket because it has less inertia.

d)

The full bucket because it has more inertia.

45.
Name the missing force...
a)
normal force
b)
applied force
c)
frictional force
d)
tension force
46.

Three forces of equal magnitude act on the box shown. One force is upward, one downward, and one rightward. Which of the following statements must be true based on this information? Select two answers.

a)

The box must have a rightward component of velocity.

b)

The box has no vertical component of velocity.

c)

The acceleration of the box is directed to the right.

d)

The velocity of the box is changing with time.

47.

A cart is constrained to move along a straight line. A varying net force along the direction of motion is exerted on the cart. The cart’s velocity v as a function of time t is shown in the graph above. The five labeled points divide the graph into four sections. Which of the following correctly ranks the magnitude of the average acceleration of the cart during the four sections of the graph?

a)

aCD > aAB > aBC > aDE

b)

aBC > aAB > aCD > aDE

c)

aAB > aBC > aDE > aCD

d)

aCD > aAB > aDE > aBC

48.
One of the tallest radio towers is in Fargo, North Dakota.  The tower is 639m tall, or about 44 percent taller than the Sears Tower in Chicago.  If a bird lands on top of the radio tower, so that the gravitational potential energy associated with the bird is 2033J, what is its mass?
a)
3.08 kg
b)
31.17 kg
c)
0.32 kg
d)
13.13 kg
49.
Which position shows the spring with maximum elastic potential energy?
a)
A
b)
B
c)
C
d)
D
50.
A pendulum is released from point C.  Which statement is correct as it  swings from C to A?
a)
The PE increases and KE decreases
b)
The KE increases and PE decreases.
c)
The PE is maximum at A.
d)
The KE is maximum at C and B.