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Force & Pressure

Total questions: 100

Worksheet time: 2hrs 54mins

Name
Class
Date
1.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
2.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
3.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
4.
All objects in the universe have a gravitational attraction to each other. 
a)
True
b)
False
5.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
6.
What is a Force?
a)
The distance
b)
Mass
c)
A push or pull
d)
Give me a  failing grade 
7.

What type of force is this man using to push his grocery cart?

a)

Normal Force

b)

Gravity

c)

Air Resistance

d)

Applied Force

8.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

9.
Who wins the tug of war with what net force?
a)
The person on the left with 20 N
b)
The person on the left with 80 N
c)
The people on the right with 20 N
d)
The people on the right with 100 N
10.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
11.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
12.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
13.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

14.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
15.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
16.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

17.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

18.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
19.

If both forces are going in the same direction you should______ those forces

a)

Add

b)

Subtract

c)

Divide

d)

Multiply

20.

When forces are going in the opposite direction of each other you should do what do find the net force

a)

Subtract

b)

Add

c)

Divide

d)

Multiply

21.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
22.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
23.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
24.
If a force causes an object to move, it's considered a(n) __________________ force.
a)
Balanced
b)
Unbalanced
c)
Massive
d)
Strong
25.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
26.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
27.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
28.

If an object is pushed with a force of 20N and moves with an acceleration of 2.0 m/s^2, what is the object's mass?

a)

10 kg

b)

40 kg

c)

20 kg

d)

0.1 kg

29.

If an object with a mass of 30 kg is moving with an acceleration of 4 m/s^2 what was the force used to push the object.

a)

7.5 N

b)

0.13 N

c)

120 N

d)

34 N

30.

Calculate the net force.

a)

0 N

b)

5 N

c)

25 N

d)

15 N

31.
A push or a pull applied to an object
a)
Work
b)
Force
c)
Newtons
d)
Joules
32.
Force is measured in...
a)
Kilograms
b)
m/s
c)
Newtons
d)
Joules 
33.
Work is measured in... 
a)
Kilograms
b)
m/s
c)
Newtons
d)
Joules 
34.
In order for work to be done, a force must cause an object to... 
a)
Be balanced
b)
Be constant
c)
Have no motion
d)
Move 
Move/Accelerate
35.
A force that pulls on objects
a)
Friction
b)
A wall
c)
Joules
d)
Gravity
36.
The force that pushes upwards on an object immersed in a fluid.
a)
A desk
b)
Gravity
c)
The Buoyant Force
d)
Opposing forces
37.
Forces that stop moving objects
a)
A desk 
b)
Gravity
c)
The Buoyant Force
d)
Opposing forces
38.
Opposes the motion of objects that travel through the air
a)
Friction
b)
Ramp
c)
Air resistance
d)
Gravity
39.
A type of simple machine also known as an inclined plane
a)
Push or Pull
b)
A drag
c)
Lever
d)
Ramp
40.
Ramps make work easier by _________ distance
a)
Increasing
b)
Decreasing
41.
Which person is doing more work?
a)
Left 
b)
Right 
c)
Both
d)
Neither; they are doing the same amount of work.
42.
Which person uses the greatest force on the barrel?
a)
Right
b)
Left
c)
Both
d)
Neither; they are doing the same amount of work.
43.
Which person moves the barrel a greater distance?
a)
Left 
b)
Right 
c)
Both 
d)
Neither, they are doing the same amount of work.  
44.
Movers use ramps to make work ____________.
a)
Harder
b)
Easier
c)
More fun
d)
Less dramatic 
45.
The main force opposing things that roll or slide
a)
Gravity
b)
The Buoyant Force
c)
Friction
d)
A wall
46.
The amount of energy used when a force moves an object a certain distance
a)
Work
b)
Force
c)
Newtons 
d)
Joules
47.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
48.
Which graph represents a students standing at their locker for a period of time.
a)
A
b)
B
c)
C
d)
D
49.
What is the Average Speed?
Distance: 10m
Time: 5s
a)
2
b)
1/2
c)
50
d)
100
50.
A train that travels 100 kilometers in 4 hours is traveling at what average speed? Remember: Speed= distance/time
a)
50 km/h
b)
100 km/h
c)
400 km/h
d)
25 km/h
51.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
52.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
53.
When you kick a football, you are applying ________ to the ball.
a)
mass
b)
gravity
c)
unbalanced force
d)
balanced force
54.
When you tell the direction and speed of an object, you give its
a)
motion
b)
velocity
c)
acceleration
d)
mass
55.
What is the net force on the block? (click on the words to view the picture)
a)
5 Newtons up
b)
5 Newtons down
c)
15 Newtons up
d)
15 Newtons down
56.
Which of the following statements is true? 
a)
Balanced forces cause a change in motion. 
b)
Unbalanced forces cause a change in motion. 
c)
Forces do not effect the change in motion. 
57.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
58.
Speed is different from velocity because
a)
Velocity has a direction
b)
Speed uses Distance /Time
c)
Velocity doesn't include time
d)
Velocity doesn't include distance
59.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
60.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
61.
When a bird flies, its wings push air downward. As a result the air pushes back upward on the bird. Which law of motion most applies to the way the wings of a bird beat? 
a)
Every action has an equal and opposite reaction
b)
The rate of acceleration of an object depends on the amount of force applied.
c)
Objects in motion tend to remain in motion until acted upon by an another force. 
d)
Force is defined by mass times acceleration
62.
A student walking quickly while carrying an orange on his lunch tray stops suddenly. The orange will most likely roll off the tray due to
a)
inertia of the orange. 
b)
centripetal force of the orange
c)
the friction acting on the orange.
d)
the balanced forces acting on the orange.
63.
Angela blows air into a balloon and holds the end of it closed with her fingers. When she lets go of the end of the balloon, Angela observes that the release of the air propels the balloon.  The propelling of the balloon from the release of the air is an example of which of Newton’s laws? 
a)
The force of an object is the product of its mass multiplied by its acceleration. 
b)
 A force of attraction exists between any two objects with mass. 
c)
 For every action, there is an equal and opposite reaction.
d)
An object in motion tends to stay in motion unless an unbalanced force acts upon it. 
64.
Which of the following is an example of acceleration?
a)
A book laying on a table
b)
An airplane moving at a constant speed of 500 mph in a straight line
c)
A race car going into a curve
d)
An object at rest
65.
A helicopter ambulance flew from one hospital to another in a straight line. The pilot had to  change speed several times due to the presence of other aircraft. 
What was the average speed of the helicopter during the trip? 
a)
2.0 km/min 
b)
2.5 km/min
c)
4.0 km/min
d)
7.5 km/min
66.
Two girls are pulling on opposite ends of a thick rope. Both girls pull on the rope with the same force but in opposite directions. If both girls continue to pull with the same force, what will most likely happen? 
a)
One girl will pull the other toward her.
b)
Both girls will stay in the same place. 
c)
Gravity will cause the rope to sag. 
d)
The rope will break.
67.
If the horse reared up on 2 legs what effect would it have on the pressure?
a)
it will exert half the pressure it did before
b)
it will exert the same pressure it did before
c)
it will exert twice the pressure it did before
d)
it will exert four times the pressure it did before
68.
Which of these animals would probably cause the greatest pressure on the ground?
a)
A fat cow with big feet
b)
A fat cow with small feet
c)
 A calf with big feet
d)
A calf with small feet
69.
Pressure is measured in what units
a)
Newtons
b)
m/s
c)
Pascals
d)
Moles
70.
Pressure is equal to force divided by what
a)
area
b)
mass
c)
time
d)
distance
71.
True or false:
Pressure depends on depth
a)
true
b)
false
72.
___________is the result of the weight of a column of air pushing on an area.
a)
air pressure
b)
density
c)
volume
d)
none of the above
73.
What is another word for altitude?
a)
elevation
b)
barometer
c)
circumference
d)
weight
74.
As you climb up a mountain what happens to the air pressure?
a)
decreases
b)
increases
c)
stays the same
75.
Which of the statements is true?
a)
The bottom of the boot exerts more pressure than the shoe as a result of an increase in surface area.
b)
The bottom of the shoe exerts more pressure than the boot as a result of an decrease in surface area.
c)
The bottom of the shoe exerts the same pressure as the bottom of the boot.
76.
Where is pressure the greatest on the dam?
a)
D
b)
C
c)
B
d)
A
77.
The amount of force pushing on an area is the definition of....
a)
Fluid
b)
Viscosity
c)
Barometer
d)
Pressure
78.

Where would pressure be the greatest

a)

10 m deep in a lake at sea level

b)

5 m deep in a pond on a mountain

c)

top of a mountain 15,000 feet up

d)

on a hill in Oklahoma City (1,200 ft. above sea level)

79.

Army tank tracks are useful for travelling through the mud because..

a)

they decrease the force the vehicle exerts on the ground

b)

they increase the force the vehicle exerts on the ground

c)

they decrease the pressure the vehicle exerts on the ground

d)

they increase the pressure the vehicle exerts on the ground

80.

Pressure can be exerted by solids, liquids and gases.

a)

TRUE

b)

FALSE

81.

Pressure in gases is a measure of:

a)

the number of collisions per second of the particles with the side of the container.

b)

the force of the collisions of the particles with the side of the container.

c)

the amount of space taken up by the particles in the container.

d)

None of the above

82.

Pressure can be exerted by solids, liquids and gases.

a)

TRUE

b)

FALSE

83.

A dam (not the wall) is an example of pressure in:

a)

Solids

b)

Liquids

c)

Gases

d)

Plasma

84.

The pressure inside the balloon will:

a)

Decrease

b)

Increase

c)

Remain the same

d)

Not enough information to formulate an answer

85.

The pressure of the gas in the balloon in the ice water will be:

a)

Greater than that of the balloon in the boiling water.

b)

Less than that of the balloon in the boiling water.

c)

The same as that of the balloon in the boiling water.

d)

Not enough information to answer the statement.

86.

This is an example of the everyday application of pressure in:

a)

Solids

b)

Liquids

c)

Gases

d)

Plasma

87.

The pressure inside the syringe will decrease if we move the plunger in:

a)

Direction A

b)

Direction B

c)

We don't have to move the plunger as the pressure will change on its own.

d)

None of the above answers.

88.

We can increase the pressure of a gas by:

a)

Adding more gas.

b)

Reduce the volume of the container.

c)

Increase the temperature of the gas.

d)

None of the above answers.

89.

Weather balloons travel to a great height gathering data before the balloon bursts. This is because the atmospheric pressure (layer of gas surrounding the earth):

a)

Increases the higher you travel.

b)

Decreases the higher you travel.

c)

Remains the same.

d)

Not enough information to answer the question.

90.

The reason gases can be compressed is because:

a)

The particles are very close together.

b)

The particles are merely vibrating.

c)

The particles are unable to move.

d)

The particles are very far apart.

91.

What instrument do meteorologists use to measure atmospheric pressure?

a)

barometer

b)

thermometer

c)

rain gauge

92.

What is caused by differences in air pressure?

a)

Time

b)

Precipitation

c)

Clouds

d)

Wind

93.
_______ pressure systems are characterized by rising air.
a)
High
b)
Low
94.
_______ pressure systems are characterized by cloudy, rainy weather.
a)
High
b)
Low
95.
_______ pressure systems are characterized by fair weather.
a)
High
b)
Low
96.
Air moves toward the center of a _________ pressure system.
a)
High
b)
Low
97.
Air moves away from the center of a _________ pressure system.
a)
High
b)
Low
98.
At the equator the air is usually ________.
a)
rising
b)
sinking
99.
At the poles, air is usually ________.
a)
rising
b)
sinking
100.

_____________ is air that flows from areas of high pressure to areas of low pressure.

a)

Convection Cells

b)

Wind

c)

Atmospheric Pressure

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