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THRUST AND PRESSURE

Total questions: 105

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Pressure can be exerted by solids, liquids and gases.

a)

TRUE

b)

FALSE

2.

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

a)

Solids

b)

Liquids

c)

Gases

d)

Plasma

3.

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

a)

Solids

b)

Liquids

c)

Gases

d)

Plasma

4.

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.

5.

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.

6.
Fluids can also include__ and__. 
a)
solids and liquids
b)
solids and gases
c)
liquids and gases
d)
liquids
7.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
8.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
9.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
10.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
11.
What is the instrument that measures air pressure called?
a)
Graduated cylinder
b)
Barometer
c)
Force scale
d)
Anemometer
12.

What is pressure?

a)

The amount of force exerted on a surface

b)

The surface area of an object

c)

The weight of an object

13.

An object will float on water if it is

a)

less dense than water.

b)

more dense than water.

c)

the same density as water.

14.
Pressure can be measured in Pascals (Pa) or Newtons per square metre.
1 Pa = 1N/m2
a)
True
b)
False
15.
Pressure is equal to force divided by what
a)
area
b)
mass
c)
time
d)
distance
16.
What is another word for altitude?
a)
elevation
b)
barometer
c)
circumference
d)
weight
17.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

18.
Which of the following would increase the pressure on a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
19.
What decreases as you go up in the atmosphere?
a)
Altitude
b)
Atmosphere
c)
Meteors
d)
Air Pressure
20.

How do you Calculate Pressure

a)

Force(N)/Area(m2)

b)

Force(kg)/Area(mi2)

c)

Area(m2)/Force(N)

21.

Why won't you sink in mud if you wear boots?

a)

Because the surface area is larger creating less pressure.

b)

Has air in it to keep you floating.

c)

Because the mud won't want you.

22.

Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?

a)

The design of this structure is stronger.

b)

Water pressure increases with depth.

c)

The cost of construction is lower.

d)

Water pressure acts uniformly in all directions.

23.

What is pressure?

a)

The amount of force exerted on a surface

b)

The surface area of an object

c)

The weight of an object

24.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
25.
A fluid can be...
a)
a gas
b)
a liquid
c)
a liquid or a gas
d)
a solid
26.
Fluids can also include__ and__. 
a)
solids and liquids
b)
solids and gases
c)
liquids and gases
d)
liquids
27.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
28.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
29.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
30.
What is the instrument that measures air pressure called?
a)
Graduated cylinder
b)
Barometer
c)
Force scale
d)
Anemometer
31.
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
32.
Where would you find the largest pressure?
a)
At the bottom of the ocean
b)
At the top of Mt Everest
c)
Close to ground on the Scotch oval
d)
In a rockpool on the Great Barrier Reef
33.
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.
34.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
35.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
36.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
37.
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
a)
40 N/cm2
b)
100 N/cm2
c)
400 N/cm2
d)
10 N/cm2
38.
True or false:
Pressure depends on depth
a)
true
b)
false
39.
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.
40.

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 cat with big feet

d)

A cat with small feet

41.
Pressure is equal to force divided by what
a)
area
b)
mass
c)
time
d)
distance
42.

The amount of force pushing on an area is the definition of....

a)

Force

b)

Density

c)

Mass

d)

Pressure

43.
A person wearing steel toe capped boots and a person wearing stilleto heels stand on a wooden floor. They both have the same weight. Which person exerts a greater pressure on the floor?
a)
The person wearing the boots because the boots have a larger surface area in contact with the floor
b)
The person with the stiletto heels because they have a larger surface area in contact with the floor
c)
The person wearing the boots because the boots have a smaller surface area in contact with the floor 
d)
The person with the stiletto heels because they have a smaller surface area in contact with the floor
44.

The effect of thrust acting on a surface depends upon

a)

area of surface

b)

polishing of surface

45.

Force acting normal to surface is called

a)

Thrust

b)

Weight

c)

Upthrust

d)

Buoyant force

46.

Which is the SI unit of thrust?

a)

N

b)

dyne

47.

1kgf=_____N

a)

9.8

b)

980

48.

1kgf=____gf

a)

100

b)

1000

c)

10

d)

9.8

49.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
50.
Fluids can also include__ and__. 
a)
solids and liquids
b)
solids and gases
c)
liquids and gases
d)
liquids
51.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
52.
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.
53.
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
54.
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
55.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
56.
What is a force that works AGAINST MOTION?
a)
Force
b)
Motion
c)
Gravity
d)
Friction
57.

Watch the green man. Which force(s) are acting in this situation?

a)

Frictional Force only.

b)

Gravitational Force only.

c)

Muscular Force only.

d)

Muscular and Gravitational Force.

58.

At higher altitudes, which one becomes true?

a)

Higher the altitude, higher the atmospheric pressure.

b)

Higher the altitude, greater the force exerted by air molecules.

c)

It's an example of fluid pressure.

d)

The higher you go, lesser is the atmospheric pressure.

59.

Watch the green man skating. Choose all options that are correct.

a)

Both Contact and Non-Contact forces acting here.

b)

Non-Contact force is only acting here.

c)

Rolling Friction and Gravitational Force are present.

d)

Sliding Friction and Gravitational Force are present.

60.

Observe the image carefully. What's NOT happening here?

a)

People on the left side win the game.

b)

Nobody wins.

c)

This is balanced situation.

d)

Resultant Force is zero.

61.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

62.

Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?

a)

The design of this structure is stronger.

b)

Water pressure increases with depth.

c)

The cost of construction is lower.

d)

Water pressure acts uniformly in all direction.

63.

An object will float on water if it is

a)

less denser than water.

b)

more denser than water.

c)

the same density as water.

64.

A fluid can be...

a)

a gas

b)

a liquid

c)

a liquid or a gas

d)

None of the above

65.

An object will float on water if it is

a)

less denser than water.

b)

more denser than water.

c)

the same density as water.

66.

A fluid can be...

a)

a gas

b)

a liquid

c)

a liquid or a gas

d)

None of the above

67.

An object will float on water if it is

a)

less denser than water.

b)

more denser than water.

c)

the same density as water.

68.
Fluids can also include__ and__. 
a)
solids and liquids
b)
solids and gases
c)
liquids and gases
d)
liquids
69.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
70.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
71.
Atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations.
a)
True
b)
False
72.
What is the instrument that measures air pressure called?
a)
Graduated cylinder
b)
Barometer
c)
Force scale
d)
Anemometer
73.
The amount of force pushing on an area is the definition of....
a)
Fluid
b)
Viscosity
c)
Barometer
d)
Pressure
74.
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
75.
Where would you find the largest pressure?
a)
At the bottom of the ocean
b)
At the top of Mt Everest
c)
Close to ground on the Scotch oval
d)
In a rockpool on the Great Barrier Reef
76.
Where is pressure the greatest on the dam?
a)
D
b)
C
c)
B
d)
A
77.
Look at the pressure triangle. How do we calculate the force?
a)
f ÷ a
b)
f x p
c)
p x a
d)
f ÷ p
78.
True or false:
Pressure depends on depth
a)
true
b)
false
79.
Pressure can be measured in Pascales (Pa) or Newtons per square metre.
1 Pa = 1N/m2
a)
True
b)
False
80.
The pressure resulting from a force of 50 N exerted over an area of 5 m2 is
a)
10 N
b)
0.1 N
c)
10 N/m2
d)
0.1 Pa
81.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
82.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
83.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
84.
What is the instrument that measures air pressure called?
a)
Graduated cylinder
b)
Barometer
c)
Force scale
d)
Anemometer
85.

Liquid pressure is because of the forces between the liquid particles and the _________ of the container.

a)

Volume

b)

Mass

c)

Surface

d)

Density

86.

The pressure exerted by a liquid

a)

increases with depth.

b)

decreases with depth.

c)

is constant

d)

first increases and then decreases.

87.

The pressure of the water at the bottom of a pond is ___ at the surface of the pond.

a)

either lower or higher

b)

higher than

c)

same

d)

lower than

88.

Which of the following does not affect the pressure beneath the surface of a liquid?

a)

Strength of the gravitational field

b)

Area of the liquid surface

c)

Density of the liquid

d)

Depth of the liquid

89.

pressure acts on all direction

a)

true

b)

false

90.

The diagrams show, to the same scale, the vertical sections of a set of circular vessels, each containing the same depth of water.

a)

The water exerts the same pressure on the base of each vessel.

b)

The water exerts the greatest pressure on the base of vessel S.

c)

The water exerts the greatest pressure on the base of vessel P.

d)

The water exerts the same force on the base of each vessel.

91.

If a horse reared up on 2 legs what effect would it have on the pressure it is exerting on the ground?

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

92.
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
93.
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
94.
Where would you find the largest pressure?
a)
At the bottom of the ocean
b)
At the top of Mt Everest
c)
Close to ground on the Scotch oval
d)
In a rockpool on the Great Barrier Reef
95.
The amount of force pushing on an area is the definition of....
a)
Fluid
b)
Viscosity
c)
Barometer
d)
Pressure
96.
Where is pressure the greatest on the dam?
a)
D
b)
C
c)
B
d)
A
97.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
98.
Look at the pressure triangle. How do we calculate the force?
a)
f ÷ a
b)
f x p
c)
p x a
d)
f ÷ p
99.

Pressure is measured in what units

a)

Newtons

b)

m/s

c)

Pascals

d)

Kg

100.

Which of the following are fluids? (check all that apply)

a)

solids

b)

liquids

c)

gases

d)

plasma

e)

Bose-Einstein Condensate

101.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
102.
Atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations.
a)

True

b)

False

103.

A cardboard box weighs 30N. If we added weight to the box, what would happen to the pressure?

a)

increase

b)

decrease

c)

stay the same

104.

Which situation produces more force on the floor?

a)

standing on one foot

b)

standing on two feet

c)

standing on four feet

d)

all produce the same force

105.

Which situation produces more pressure on the floor?

a)

standing on one foot

b)

standing on two feet

c)

standing on four feet

d)

all produce the same pressure