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Free Fall Conceptual Physics

Total questions: 75

Worksheet time: 2hrs 36mins

Name
Class
Date
1.
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
2.
What is the velocity of a ball that has been dropped off a cliff after 1 , 2, 3, 4, and 5 seconds? (concept development page 4). 
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
3.
What is the distance a ball falls after 1,2,3,4,5 seconds?
a)
10, 20, 30, 40, 50 m (meters)
b)
5, 20, 45, 80,125 m (meters)
c)
5, 10,15, 20, 25 m (meters)
d)
10, 25, 60, 90,120 m (meters)
4.
What is the acceleration of a ball that is dropped off the side of a cliff after 1,2,3,4,5 seconds?
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
5.
In a normal environment, why does a bowling ball and feather hit the ground at different times when dropped from the same height?
a)
They don't; they hit the ground at the same time.
b)
One is more dense than the other.
c)
One is heavier than the other.
d)
Air resistance 
6.
A ball is thrown in the air with an initial velocity of 40 m/s. How long does it take to reach back to the point it was thrown from?
a)
4 seconds 
b)
2 seconds 
c)
6 seconds 
d)
8 seconds 
7.
A ball is thrown up in the air with an initial velocity of 40 m/s. What is the ball's velocity after 6 seconds? 
a)
20 m/s traveling upward.
b)
10 m/s traveling downward.
c)
20 m/s traveling downward. 
d)
30 m/s traveling downward. 
8.
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.
9.
If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each second by 
a)
about 5 m/s.
b)
about 10 m/s.
c)
about 15 m/s.
d)
a rate that depends on its initial speed.
10.
1.  An object free falls for 3.5 seconds. How far does it fall?
a)
120.05 m
b)
17.15 m
c)
60.03 m
d)
34.3 m
11.
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
12.
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.
13.
When there is no air resistance, objects of different masses dropped from rest
a)
fall with equal accelerations and with equal displacements.
b)
fall with different accelerations and with different displacements.
c)
fall with equal accelerations and with different displacements.
d)
fall with different accelerations and with equal displacements.
14.
If a person weights 100 pounds on Earth, calculate how much that person would weight on Jupiter. (Jupiter has 3 times the amount of gravity than Earth does)
a)
100 pounds 
b)
300 pounds 
c)
33.3 pounds 
d)
Not enough information is given
15.
Where would you have more mass, on Earth or on the Moon?
a)
Earth
b)
Moon
c)
IS THE SAME, mass DOESN'T CHANGE
d)
In both Planets.
16.
Where would you weight more, on Earth or on the Moon?
a)
Earth
b)
Moon
17.
The change in velocity in a given time period is?
a)
Vi
b)
Vf
c)
a
d)
d
18.

A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground

a)

the velocity increases

b)

the velocity decreases

c)

the velocity remain constant

19.

A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground

a)

the acceleration increases

b)

the acceleration decreases

c)

the acceleration remains constant

20.

A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?

a)

the velocity increases

b)

the velocity decreases

c)

the velocity remains constant

21.

A baseball is thrown up into the air. What happens to the acceleration as the ball rises in the air?

a)

the acceleration increases

b)

the acceleration decreases

c)

the acceleration remains constant

22.

A baseball is thrown up into the air. What direction is the velocity of the ball?

a)

upward

b)

downward

23.

A baseball is thrown up into the air. What direction is the acceleration of the ball?

a)

upward

b)

downward

24.

A textbook is dropped from a second floor window and falls to the ground. What direction is the velocity?

a)

upward

b)

downward

25.

A textbook is dropped from a second floor window and falls to the ground. What direction is the acceleration?

a)

upward

b)

downward

26.

A ball is thrown upward with an initial speed of 30m/s. At what location will the ball be moving downward with a speed of 20m/s

a)

A

b)

B

c)

E

d)

F

27.

A ball is thrown upward with an initial speed of 30m/s. At what location will the ball be moving upward with a speed of 20m/s

a)

A

b)

B

c)

E

d)

F

28.
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
29.
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
30.
Which of the following statements applies to the motion of a ball rising and then falling in free fall?
I. The ball has constant acceleration as it moves upward.
II. The ball has constant acceleration at the top of its path.

III. The ball has constant acceleration as it moves downward.
a)
I only
b)
III only
c)
I and III
d)
I, II, and III
31.
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.
32.

In Newtonian physics, ________________ is any motion of a body where gravity is the only force acting upon it.

a)

kinematics

b)

free fall

c)

mechanics

d)

velocity

33.

The standard acceleration due to gravity (or standard acceleration of free fall),is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is defined by standard as:

a)

9.8 m/s.

b)

9.8 m.

c)

9.8 m/s2.

d)

9.8 s.

34.

Which of the following graphs best represents free fall motion?

a)
b)
c)
d)
35.

A man drops his camera off of the top of the oil derrick tower at Six Flags. Which of the following kinematic equations would he use in order to calculate the speed the camera was travelling when it hit the ground?

a)
b)
c)
d)
36.

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

a)

True

b)

False

37.

If an object is in free fall for three seconds, how fast will it be falling?

a)

9.8 m/s

b)

19.6 m/s

c)

29.4 m/s

d)

39.2 m/s

38.

If an object is free falling onto the Moon, which of the following would be correct?

a)

It would accelerate at 9.8 m/s2

b)

It would not encounter any air resistance.

c)

It would not fall because the Moon has no gravity.

d)

It would impact the surface and bounce back into space.

39.

Heavier objects free fall faster than lighter objects.

a)

True

b)

False

40.
If the mass on Mars is 6.4 kg x 1023 kg and the mass on Earth is 6.0 kg x 1024 kg, which one would you weigh more on?
a)
Earth
b)
Mars
41.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
42.
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
43.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
44.
Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west
a)
Scalar
b)
Vector
45.
Do free falling objects move at constant velocity or do they accelerate?
a)
Falling objects accelerate at -9.8 m/s2
b)
Falling object move at constant velocity
c)
Falling objects accelerate at 100 m/s2
d)
It depends on the mass: heavy objects accelerate, light objects do not
46.
What values are always known for a free falling object?
a)
vi = 0 m/s
 a = -9.8 m/s2
b)
vi = -9.8 m/s
 a = -9.8 m/s2
c)
vi = -9.8 m/s
 a = 0 m/s2
d)
d = -9.8 m
vi = 0 m/s
47.
A pumpkin is dropped from a 35 m building. What is its initial velocity (vi)?
a)
9.8 m/s2
b)
35 m
c)
0 m/s
d)
9.8 m/s
48.

An object in free fall

a)

ignores air resistance.

b)

undergoes a downward acceleration.

c)

has an acceleration of -9.8 m/s2.

d)

all of these.

49.
Gravity attracts all objects towards one another. 
a)
True
b)
False 
50.
Look at the picture.  Is the force of gravity on the boy a push or a pull? 
a)
Pull
b)
Push
51.
An object with mass has gravity.
a)
True
b)
False 
52.
As distance between objects increases the pull of gravity...
a)
increases 
b)
decreases 
c)
Stays the same 
53.
The amount of matter in an object.
a)
force 
b)
mass
c)
weight 
d)
pressure 
54.
Which of the following never changes no matter where you are in the universe? 
a)
Pounds 
b)
weight 
c)
Force
d)
Mass
55.
A person would weigh less on the moon than on the Earth because...
a)
the moon has less mass, and therefore less gravity
b)
the moon has more mass, and therefore less gravity
c)
the moon has less mass, and therefore more gravity
d)
the moon has more mass, and therefor more gravity
56.
The relationship between the mass of objects and its weight on Earth is constant. 
a)
True
b)
False 
57.
A person weights _______ on the moon than they do on Earth.
a)
the same
b)
more
c)
less
58.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
59.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
60.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
61.
Which System has the greater gravitational pull between the two objects?
a)
System 1
b)
System 2
c)
Same: there is no gravitational attraction between the two objects
62.
Which of the following will not change in different gravitational fields?
a)
wieght
b)
force
c)
mass
d)
pounds
63.
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
64.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
65.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
66.
Who said that falling objects fall at the same rate?
a)
Galileo
b)
Kepler
c)
Brahe
d)
Copernicus
67.
Any object with mass is surrounded by a gravitational field.
a)
True
b)
Sometimes
c)
False
d)
Never
68.
The force of gravity is also known as
a)
Mass
b)
Weight
c)
Distance
d)
Acceleration
69.
Where would you have to travel to reduce your weight but not lose any mass?
a)
The moon
b)
The Sun
c)
Jupiter
d)
Saturn
70.
This FORCE pulls things.  It PULLS things into orbit around the sun. 
a)
Newton
b)
gravity
c)
weight
d)
path
71.
A person would weigh more on Jupiter than on the Earth because . . .
a)
Jupiter has more mass, and therefore more gravity
b)
Jupiter has less mass, and therefore more gravity
c)
Jupiter has more mass, and therefore less gravity
d)
Jupiter has less mass and therefore less gravity
72.

Feel lucky?

a)

1

b)

2

c)

3

d)

4

73.

fEel lucky?

a)

1

b)

2

c)

3

d)

4

74.

feEl lucky?

a)

1

b)

2

c)

3

d)

4

75.

feeL lucky?

a)

1

b)

2

c)

3

d)

4

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