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Physics CP2 Midterm Review

Total questions: 100

Worksheet time: 2hrs 10mins

Name
Class
Date
1.
a)
b)
c)
d)
2.
a)
b)
c)
d)
3.
a)
b)
c)
d)
4.
Which runner won the race?
a)
A
b)
B
c)
C
5.
Which runner had a head start?
a)
A
b)
B
c)
C
6.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
7.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
8.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
9.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
10.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
11.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
12.
What is happening at C?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
13.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
14.
If you travel 10 miles in 5 minutes, what is your speed?
a)
10 mi/min
b)
15 mi/min
c)
50 mi/min
d)
2 mi/min
15.

Which of the following is the correct equation for calculating SPEED?

a)

s = d / t

b)

s = d x t

c)

s = t / d

d)

s = d - t

16.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
17.
What is the acceleration of a ball that is dropped off the side of a cliff after 1,2,3,4,5 seconds? (assume g is rounded to 10 m/s2)
a)
5,10,15, 20, 25 m/s2
b)
10, 20, 30, 40, 50 m/s2
c)
5, 20, 45, 80, 125 m/s2
d)
10,10,10,10,10 m/s2
18.
What is the velocity of a ball that has been dropped off a cliff after 1 , 2, 3, 4, and 5 seconds? (assume g is rounded to 10 m/s2)?. 
a)
10, 20, 30, 40, 50 m/s
b)
5, 10, 15, 20, 25 m/s
c)
5, 20, 45, 80,125 m
d)
10,10,10,10,10 m/s
19.
When speed and direction remain the same throughout a motion, this is called?
a)
Accelerated motion
b)
Constant motion
c)
Changing motion
d)
Changing velocity
20.

When the velocity of an object does not change, what happens to its acceleration?

a)

Nothing, it does not accelerate

b)

It is a constant acceleration

c)

It is a changing acceleration

21.
When an object falls in physics world, what happens?
a)
It accelerates at a constant rate until it hits the ground
b)
It accelerates at a non-constant rate until it hits the ground
c)
It accelerates at a constant rate until it reaches terminal velocity
d)
It accelerates at a non-constant rate until it reaches terminal velocity
22.
Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?
a)
the feather
b)
the metal bolt
c)
They would hit the ground at the same time.
d)
They would be suspended in a vacuum.
23.
Which would fall with greater acceleration in a vacuum—a leaf or a stone?
a)
the leaf
b)
the stone
c)
They would accelerate at the same rate.
d)
It is difficult to determine without more information.
24.
If you throw a baseball straight up, what is its velocity at the highest point?
a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s
25.
A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be 
a)
less than the speed it had when thrown upwards.
b)
more than the speed it had when thrown upwards.
c)
the same as the speed it had when thrown upwards.
26.
A freely falling object starts from rest. After falling for 6 seconds, it will have a speed of about:
a)
6m/s
b)
30m/s
c)
60m/s
d)
300m/s
27.
1.  An object free falls for 3.5 seconds. Given only this information, what equation is used to find the speed?
a)
v=gt
b)
v=d/t
28.

A free falling objects falls under the influence of

a)

force of air

b)

force of gravity

c)

force of resistance

d)

force of star wars

29.

A girl drops a 7 gram bowling ball and a 1gram rock from a cliff. Which will hit the ground first?

a)

Bowling Ball

b)

Rock

c)

Ignoring air resistance, both will hit at the same time.

d)

The cliff

30.
This is a velocity-time graph.  What is the object doing in segment B?
a)
Positive acceleration
b)
Negative acceleration
c)
Constant Velocity
d)
Not moving
31.

Which of the following graphs best represents free fall motion?

a)
b)
c)
d)
32.

Free fall takes into consideration the frictional force of air resistance.

a)

True

b)

False

33.

A pumpkin is dropped from a 35 m building. What is its initial velocity?

a)

10 m/s

b)

35 m/s

c)

0 m/s

d)

5 m/s

34.
If this graph were to show a parachutist jumping from a plane, how would you describe the forces acting at point C.
a)
His weight is bigger than air resistance
b)
Air resistance is bigger than his weight.
c)
His weight and air resistance are balanced.
35.

After 60 seconds, a parachutist pulls the cord and opens her parachute.

Explain how the parachute reduces the speed of the parachutist when it is just opened.

a)

The air resistance force decreases

b)

The weight force decreases

c)

The weight force increases

d)

The air resistance force increases

36.

A bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How long until the bullet reaches the ground?

a)

0.51 s

b)

0.27 s

c)

0.13 s

d)

0.36 s

37.
An object is projected horizontally from a cliff.  The time it takes to hit the ground is
a)
more than if it was just dropped
b)
less than if it was just dropped
c)
the same amount of time than if it was just dropped
d)
impossible to determine
38.
What angle will give you the greatest range in the x direction?
a)
30 degrees
b)
45 degrees
c)
60 degrees
d)
90 degrees
39.

Here is a list of astronomical objects and their gravity:

Sun 274

Moon 1.6

Mars 3.77

Jupiter 25

Earth 9.8


Where would you weigh the least

a)

Sun

b)

Moon

c)

Mars

d)

Earth

e)

Jupiter

40.
If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?
a)
20m
b)
40m
c)
0m
d)
-20m
41.
What is the net force?
100 N        230 N
<------        --------->
a)
30 N to the right
b)
230 N to the right
c)
130 N to the right
d)
This is a balanced force
42.
A hiker walks 5 kilometers due north and then 7 kilometers due east. What is the magnitude of the resultant vector?
a)
2 km
b)
8.6 km
c)
12 km
d)
12.6 km
43.
a)
17
b)
149
c)
3
d)
12.2
44.
The president’s airplane, Air Force One, flies at 250 m/s to the east with respect to the air. The air is moving at 35 m/s to the north with respect to the ground. Find the velocity of Air Force One with respect to the ground.
a)
252 m/s
b)
222 m/s
c)
435 m/s
d)
125 m/s
45.
Which are equivalent vectors?
a)
u and -u
b)
u and a
c)
u and v
d)
u and b
46.
What will be the resultant direction of a boat pointing due south while the river's current running due east?
a)
due south
b)
due east
c)
somewhere south of east
d)
none of these
47.
When two vectors are added together, a _____________ can be drawn.
a)
vector
b)
resultant
c)
trajectory
d)
none of these 
48.
How should you add two vectors?
a)
Add them head to tail
b)
Add them tail to tail
c)
Add them with the addition key
d)
just add the length of each
49.

How do we graphically picture a vector?

a)

line

b)

4 lines with a dot in center

c)

in a graph

d)

an arrow

50.

How do we combine vectors at right angles?

a)

Add them

b)

Subtract them

c)

Use the Pythagorean theorem

d)

Take the square root

51.

Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.

a)

1st Law

b)

2nd Law

c)

3rd Law

52.

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

a)

1st Law

b)

2nd Law

c)

3rd Law

53.

I crack an egg on the edge of a bowl. The force applied to the egg is the same as the force applied to the bowl.

a)

1st Law

b)

2nd Law

c)

3rd Law

54.

A soccer ball accelerates more than a bowling ball when thrown with the same force.

a)

1st Law

b)

2nd Law

c)

3rd Law

55.

A football player kicks the ball through the goal posts with their foot and their toes are left stinging.

a)

1st Law

b)

2nd Law

c)

3rd Law

56.

A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up.

a)

1st Law

b)

2nd Law

c)

3rd Law

57.

My cat eyeballs the christmas tree and decides to apply all of his mass directly to the center of the tree. This force causes the tree to accelerate down towards the ground.

a)

1st Law

b)

2nd Law

c)

3rd Law

58.
This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
59.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
60.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
61.
a)
1st
b)
2nd
c)
3rd
62.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
63.
a)
1st
b)
2nd
c)
3rd
64.
a)
1st
b)
2nd
c)
3rd
65.
a)
1st
b)
2nd
c)
3rd
66.
Object at rest stays at rest.
a)
1st
b)
2nd
c)
3rd
67.
F = MxA
a)
1st
b)
2nd
c)
3rd
68.
Acceleration is due to a force put on an objects mass. 
a)
1st
b)
2nd
c)
3rd
69.
Action/Reaction
a)
1st
b)
2nd
c)
3rd
70.
Equal and Opposite
a)
1st
b)
2nd
c)
3rd
71.
Force exerted between the surfaces of two objects. 
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
72.
Objects tendency to resist change
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
73.
Push or Pull
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
74.
Objects attraction to one another - like us to earth. 
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
75.

When two equal forces act in opposite directions on an object, they are called ______________________.

a)

frictional force

b)

balanced force

c)

centripetal force

d)

gravitational force

76.

When an unbalanced force acts on an object, the force ______________________.

a)

changes the motion of the object

b)

is cancelled by another force

c)

does not change the motion of an object

d)

is equal to the weight of the object

77.

The resistance of an object to any change in its motion is called ______________________.

a)

inertia

b)

friction

c)

gravity

d)

weight

78.
A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is it's force?
a)
50 Newtons
b)
5 Newtons
c)
20 Newtons
d)
9.5 Newtons
79.
Determine the accelerations that result when a 12-N net force is applied to a 3-kg object. 
a)
3 m/s
b)
4 ft/s 
c)
13 m/s
d)
4 m/s 
80.
What Newtons law does this picture represent
a)
Newtons 2nd law 
b)
Law of gravity 
c)
Newtons 1st law
d)
Newtons 5th law
81.
An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which of these best explains this situations
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
d)
Conservation of momentum
82.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
83.
A force that opposes motion between a surface in contact with the atmosphere.
a)
air resistance
b)
gravity
c)
momentum
d)
terminal velocity
84.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
85.
When all the forces on an object are equal and opposite, & the net force is zero, that's...
a)
balanced forces
b)
unbalanced forces
c)
terminal velocity
d)
reaction forces
86.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
87.
A cannonball with a mass of 10 kg is flying at an acceleration of 5 m/sec/sec. What is it's force?
a)
50 Newtons
b)
5 Newtons
c)
20 Newtons
d)
9.5 Newtons
88.
The net force on a ball thrown in outer space is... (you are no longer touching the ball)
a)
there is none
b)
forward
c)
down and backward
d)
forward and down
89.
In the picture, the blocks are flying out of the truck based on which of Newton's laws?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 6th Law
90.
In the picture, the vehicle will move because of...
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 9th Law
91.
To compare the two pictures would require...
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 11th Law
92.
Which one of Newton's Laws of motion is called "The law of Action / Reaction"
a)
Newton's First Law of Motion
b)
Newton's Second Law of Motion
c)
Newton's Third Law of Motion
93.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
94.
The inertia of an object depends on its
a)
momentum
b)
speed
c)
mass
d)
weight
95.
A feather will fall through the air more slowly than a brick because of
a)
gravity
b)
air resistance
c)
inertia
d)
momentum
96.
Balanced forces acting on an object 
a)
always change the object's motion
b)
sometimes change the object's motion 
c)
never change the object's motion 
d)
are not related to motion 
97.
You have four vehicles, all driving at the same velocity side-by-side on a four-lane highway. There is a fully-loaded truck, an empty truck, a midsize van, and a small car. 
If all the vehicles brake at the same time because there is a collision ahead, which one will come to a complete stop FIRST?
a)
the fully-loaded truck 
b)
the empty truck
c)
the midsize van 
d)
the small car 
98.
According to Newton's third law of motion, when a hammer strikes and exerts force on a nail, the nail
a)
creates a friction with the hammer 
b)
disappears into the wood 
c)
exerts an equal force back on the hammer 
d)
moves at a constant speed 
99.
What is the net force?
a)
5 N
b)
45 N to the left
c)
5 N to the right
d)
45 N to the right
100.
What is the net force on this box?
a)
10 N to the right
b)
10 N to the left
c)
90 N to the left
d)
290 N to the left