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Quiz #7 - Forces

Total questions: 131

Worksheet time: 5hrs 59mins

Name
Class
Date
1.

When 2 or more objects hit each other, at least one of the objects is moving

a)

friction

b)

force

c)

energy

d)

collision

2.

A push or pull on an object that causes a change in shape

a)

energy

b)

gravity

c)

force

d)

collision

3.

Change in shape due to force (push or pull)

a)

deform

b)

elastic limit

c)

peak force

d)

collision

4.

Largest amount of deformation (bending) an object can do AND return to its original shape

a)

breaking point

b)

elastic limit

c)

friction

d)

deformation

5.

The least amount of force needed to cause permanent deformation to an object

a)

elastic limit

b)

friction

c)

breaking point

d)

peak force

6.

The highest amount of force on both objects during a collision

a)

elastic limit

b)

kinetic energy

c)

peak force

d)

friction

7.

Moving energy of objects that can be transferred to other objects

a)

potential energy

b)

kinetic energy

c)

gravity

d)

peak force

8.

The amount of matter in an object

a)

weight

b)

volume

c)

force

d)

mass

9.

The distance travelled in a given amount of time.  Speed = distance / time  (s=d/t)

a)

mass

b)

height

c)

speed

d)

force

10.

The thing that is changed by the scientist during an experiment, found on the x-axis of a graph

a)

control variable

b)

independent variable

c)

dependent variable

d)

kinetic energy

11.

The thing that is impacted by the effects by the independent variable, it is found on the y-axis of a graph

a)

control variable

b)

independent variable

c)

dependent variable

d)

potential energy

12.

Energy that is stored until an outside force acts on the object causing the energy to transform

a)

kinetic energy

b)

speed

c)

potential energyt

d)

friction

13.

Two surfaces rubbing against each other

a)

energy

b)

force

c)

gravity

d)

friction

14.

the act of air pushing on an object

a)

friction

b)

force

c)

air resistance

d)

energy

15.

A Physics book is on a desk. A Chemistry book is on top of it.

Physics book pushes ______ on Chemistry book.

a)

up

b)

down

c)

left

d)

right

16.

What is motion?

a)

Distance over time

b)

The location of an object

c)

Movement

d)

Change in position

17.

What is happening in this position-time graph?

a)

moving away at a constant speed

b)

moving towards at a constant speed

c)

moving away increasing speed

d)

moving towards increasing speed

18.

What is a force?

a)

a push

b)

a pull

c)

a push or a pull

d)

none of the above

19.

Force is measured in:

a)

Newtons

b)

Grams

c)

Milliliters

d)

Centimeters

20.

True or False: A force MUST change the motion of an object.

a)

True

b)

False

21.

What is net force?

a)

The sum of all forces acting on an object

b)

The force from a net

c)

The force moving the object to the left

d)

The force moving the object to the right

22.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
23.
What is the net force?
a)
4.2 N left
b)
4.2 N right
c)
2.2 N left
d)
2.2 N right
24.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
25.
What is the net force?
a)
11 N left
b)
11 N right
c)
3 N left
d)
3 N right
26.
What is the net force?
a)
3 N left
b)
3 N right
c)
7 N left
d)
7 N right
27.
What is the net force?
a)
1.3 N left
b)
1.3 N right
c)
3.7 N left
d)
3.7 N right
28.
The graph shows how the speed of an object changed over time. During which segments of this graph were the forces acting on the object balanced?
a)
R only
b)
Q and S
c)
R and T
d)
R, S and T
29.
A toy car was used in an investigation about forces. During which of the following scenarios was the car experiencing balanced forces?
a)
The toy car speeds up as it rolls down a ramp.
b)
The toy car travels forward at a constant speed.
c)
The toy car slows down as it rolls up a hill.
d)
The toy car changes direction at a constant speed.
30.
The diagram below shows a toy car moving along a smooth, frictionless track. In which sections of the track will this toy car experience unbalanced forces? 
a)
Sections 1 and 3
b)
Sections 1 and 2
c)
Sections 2 and 4
d)
Sections 3 and 4
31.
The diagram below shows a skateboarder pushing himself forward with a force of 25 N while the wind pushes back with a force of 5 N. How will the skateboarder be affected if the force of the wind increases to 8 N?
a)
The speed of the skateboarder will increase.
b)
The speed of the skateboarder will remain constant.
c)
The speed of the skateboarder will decrease.
d)
The skateboarder will come to a stop.
32.
This list below includes six different scenarios. Which objects in the list experience an unbalanced force?
a)
The ball, the cat, and the flag
b)
The marble, the book and the toy car
c)
The cat, the book, and the flag
d)
The marble, the ball, the cat, and the toy car
33.
A group of students places weights onto 4 different carts. The students pull each of the carts with the same amount of force. Which cart has the least change in speed?
a)
A
b)
B
c)
C
d)
D
34.

Newton's 1st Law states that objects tend to travel...

a)

In circular motion unless acted on by a force.

b)

In straight lines unless acted on by a force.

c)

only when a force is applied.

d)

only when a force is not applied.

35.

If an object is at rest, a _____________ is required to make the object move.

a)

friction

b)

force

c)

energy

d)

gravity

36.

Katie has a mass of 50 kg. How much does she weigh? Remember, Fg = m x g

a)

5 N

b)

500 N

c)

250 N

d)

100 N

37.

Joe and Matt fight over the last piece of sushi. Joe uses his chopsticks to pull the sushi toward himself with a force of 50 N. Matt uses a fork and pulls in his own direction with 80 N. Who takes the sushi?

a)

Matt

b)

Joe

c)

No one

d)

Not enough information

38.

A shopping cart has some mass. When it's full, it has 8 times more mass. How much more inertia will it have?

a)

The inertia wont change.

b)

Twice the inertia.

c)

1/8 the inertia.

d)

8 times more inertia.

39.

When standing on the ground, the Normal force is pointing...

a)

at an angle, off the ground.

b)

straight upward, off the ground.

c)

parallel, along the ground.

d)

None of the above.

40.

A lunar robot has a weight of 1000 N on the moon. If the moon's gravity is

gmoon = 2 m/s2,

what is the mass of the robot?

a)

2000 kg

b)

500 kg

c)

100 kg

d)

10000 kg

41.

The net force is defined as...

a)

...the sum of all forces acting on an object.

b)

...the vector sum of a few forces acting on an object.

c)

....the vector sum of all forces acting on an object.

d)

...the sum of a few forces acting on an object.

42.

All forces are always measured in...

a)

pounds

b)

kilograms

c)

meters per second squared

d)

Newtons

43.

What is a force?

a)

A push or pull on an object.

b)

The amount of matter in an object.

c)

The space an object takes up.

d)

The force of gravity acting on an object.

44.

When forces are acting in the same direction they should be added together.

a)

True

b)

False

45.

The sum of all the forces acting on an object is known as the (a)   force.

46.

Forces that are acting in opposite directions should be subtracted from each other.

a)

True

b)

False

47.

The net force acting on the object is acting

a)

to the right

b)

up

c)

down

d)

to the left

48.

The net force acting on the object is (a)   N.

49.

Is it balanced?

a)

Yes

b)

No

50.

The net force is (a)   N.

51.

What force holds the planets in motion around the sun?

a)

magnetic

b)

electrical

c)

graviational

d)

air resistance

52.

If there are two forces going in the same direction how would you find net force?

a)

subtract

b)

add

c)

neither

d)

multiply

53.

With unbalanced forces, the object will move in the direction of the _________ force.

a)

larger

b)

smaller

c)

equal

54.

What is a force?

a)

the motion the object creates

b)

the object hitting one another

c)

the push or pull of an object

d)

really going fast

55.

What is the net force?

a)

20 N

b)

0 N

c)

400 N

d)

40 N

56.

If these teams are pulling with the same amount of force, what will happen?

a)

The boy in the green shirt will win.

b)

They will not move at all.

c)

The boy in the red shirt will win.

d)

Both will fall down

57.

What is the net force and direction?

a)

4 N to left

b)

4 N to right

c)

0 n to left

d)

4 N

58.

What is the net force and direction?

a)

4 N to left

b)

4 N to right

c)

0 N

d)

0 N to right

59.

What is the net force and direction?

a)

4 N to left

b)

4 N to right

c)

0 N

d)

0 N to right

60.

What is the net force and direction?

a)

3 N to left

b)

3 N

c)

0 N

d)

3 N to right

61.

What is the net force and direction?

a)

5 N to left

b)

7 N

c)

2 N to right

d)

5 N to right

62.

What is the net force and direction?

a)

1 N to left

b)

5 N to left

c)

1 N to right

d)

4 N to right

63.

Forces that have a net force of zero newtons are considered to be a(n)

a)

balanced force

b)

unbalanced force

64.

The sum of all forces acting on an object is known as…

a)

Applied force

b)

Net force

c)

Normal force

d)

I don't know

65.

Which of the following is a characteristic of a balanced force?

a)

Equal in size, opposite in direction

b)

Causes a change in the direction of an object

c)

Causes a change in motion of an object

d)

I don't know

66.

Which of the following is a characteristic of an unbalanced force?

a)

Equal in size, opposite in direction

b)

Does not cause a change in motion of an object

c)

Causes a change in motion of an object

d)

I don't know

67.

Which of the following represents balanced forces? 

a)

7N -> ->7N

b)

11 N -> <- 11 N

c)

8 N <- -> 4 N

d)

I don't know

68.

Which of the following represents unbalanced forces?

a)

7 N -> -> 3N

b)

5 N <- -> 5 N

c)

2 N <- -> 2 N

d)

I don't know

69.

Calculate the Net Force:

16 N <- -> 5 N

a)

12 N to the Left

b)

11 N to the left

c)

21 N to the left

d)

I don't know

70.

Calculate the Net Force:

120 N --> --> 50 N

a)

12 N to the right

b)

125 N to the left

c)

170 N to the right

d)

I don't know

71.

Calculate the Net Force:

10 N --> <-- 4 N + <-- 7 N

a)

7 N to the left

b)

21 N to the right

c)

1 N to the left

d)

I don't know

72.

Calculate the Net Force

a)

0 N

b)

7 N Right

c)

28 N Right

d)

I don't know

73.

Calculate the Net Force

a)

2 N Right

b)

12 N Right

c)

2 N Left

d)

I don't know

74.

Two students kick a soccer ball at the same time. Student A kicks the ball with a force of 80 N to the right. Student B kicks the ball with a force of 45 N to the left. Calculate the net force.

a)

45 N Right

b)

35 N Right

c)

30 N Right

d)

I don't know

75.

Three dogs are pulling on a stuffed animal. Dog A pulls with a force of 150 N to the north. Dog B pulls with a force of 150 N to the south. Dog C (a much smaller dog) is pulling to the east with a force of 40 N. Which dog will win the toy?

a)

dog A

b)

Dog B

c)

Dog C

d)

I don't know

76.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 
a)
experimental group
b)
control group
c)
data
d)
variables
77.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
78.

Match these about variables

a)

1

1.

variables the scientist can change

b)

2

2.

total number of variables

c)

things that stay the same

3.

constants

79.

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the independent variable?

a)

type of cleaner

b)

tap water

80.

An experiment is being done to determine how light affects the growth of small zinnia plants. One plant is placed in full sunlight, the second in a shaded area, the third in an unlit closet. What is the independent variable in the experiment?

a)

the amount of light

b)

plant in the closet

81.

Steve wanted to see if different types of fertilizer influence sunflower growth. What is the independent variable?

a)

type of fertilizer

b)

sunflower grown without fertilizer

82.

Control

a)

"I change"

b)

"I Test"

c)

Compare

d)

Stays the same

83.

Independent Variable, we say (two answer):

a)

"I change"

b)

"I Test"

c)

Compare

d)

Stays the same

84.

The two groups in a controlled experiment are -

a)

Control Group

b)

Experimental Group (Test)

c)

Independent Variable

d)

Dependent Variable

e)

Constant(s)

85.

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the control group?

a)

type of cleaner

b)

tap water

86.

An experiment is being done to determine how light affects the growth of small zinnia plants. One plant is placed in full sunlight, the second in a shaded area, the third in an unlit closet. What is the control group in this experiment?

a)

the amount of light

b)

the plant in the closet

87.

Steve wanted to see if different types of fertilizer influence sunflower growth. What is the control group?

a)

type of fertilizer

b)

sunflower grown without fertilizer

88.

Hypothesis: If plants are watered more than normal, then growth height will increase. What is the independent variable?

a)

the amount of water

b)

a plant receiving the normal amount of water

89.

Hypothesis: If plants are watered more than normal, then growth height will increase. What is the control group?

a)

the amount of water

b)

a plant receiving the normal amount of water

90.

The "normal", "natural" or whatever is NOT receiving the tested variable

a)

Independent Variable

b)

Control Group

91.

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

92.

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

93.

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

a)

inertia

b)

friction

c)

gravity

d)

weight

94.

According to Newton’s second law of motion, force is equal to mass times ______________________.

a)

inertia

b)

weight

c)

acceleration

d)

direction

95.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
96.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

97.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

98.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

99.

Acceleration is due to a force put on an objects mass.

a)

1st Law

b)

2nd Law

c)

3rd Law

100.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
101.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
102.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
103.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
104.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
105.
The force of attraction between all matter.
a)
inertia
b)
friction
c)
net force
d)
gravity
106.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
107.
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
108.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
109.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
110.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
111.
Gravity is increased with...
a)
greater mass & shorter distance
b)
greater mass & farther distance
c)
lower mass & shorter distance
d)
lower mass & farther distance
112.

Isaac Newton developed these 3 laws concerning ______________.

a)

Velocity.

b)

Mass

c)

Acceleration.

d)

Motion

113.

What explains why objects resist changes in their state of motion?

a)

gravity

b)

inertia

c)

force

d)

friction

114.

What explains a quantity that has BOTH speed and direction?

a)

Inertia

b)

Force

c)

Speed

d)

Velocity

115.

The force that prevents a ball rolling on the ground from continuing on it's path forever is...

a)

Friction

b)

Gravity

c)

Inertia

116.
A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?
a)
For every action there is an equal and opposite reaction.
b)
Every mass exerts a force on every other mass.
c)
An object at rest tends to stay at rest.
d)
Friction opposes the motion of an object.
117.
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
118.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
119.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
120.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
121.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
122.
If a 10 kilogram object had a force of 50 newton's applied to it, what would its acceleration be?
a)
15 m/s^2
b)
5 m/s^2
c)
.5 m/s^2
d)
10 m/s^2
123.

An inflated balloon released from rest moves horizontally.

The law that best explains this event is

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Law of Gravity

124.

True or False: objects with greater mass require more force to accelerate when compared to objects with less mass.

a)

True

b)

False

125.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
126.

A force is:

a)

a push

b)

a pull

c)

both

d)

neither

127.

Which force causes an object to speed up or slow down (accelerate or decelerate)?

a)
unbalanced force
b)
balanced force
128.

Newton's Second Law is also known as the Law of _______

a)

Inertia

b)

Acceleration

c)

Action - Reaction

d)

Gravitation

129.

Which of the following is the correct position - time graph for an object moving with a constant velocity?

a)
b)
c)
d)
130.

A dictionary weighing 15 Newtons is placed on a desk.

What is the force that the desk exerts on the dictionary?

a)

none

b)

15 N

c)

1.5 N

d)

150 N

131.

Isaac Newton stated for every action there is an

_________ and _________ reaction.

a)

equal and same

b)

equal and opposite

c)

unequal and same

d)

unequal and opposite

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