Online TestScience

Force and Pressure

Force and Pressure- 8th Std Science

Congratulations - you have completed Force and Pressure- 8th Std Science. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Question 1
  • Fill in the blanks.
The SI unit of pressure is N/ m 2. This unit is otherwise called ______
A
Joule
B
pascal
C
Watt
Question 2
Friction is a _______ force.
A
Reaction
B
contact
C
Feild
Question 3
The effort we use to move any object is called a ______
A
force
B
energy
C
mass
Question 4
The SI unit of force is named after the scientist ________
A
Alexander Fleming
B
Issac Asimov
C
Sir.Issac Newton
Question 5
A ______  may bring a change in the state of motion of an object.
A
force
B
Energy
C
motion
Question 6
A force that can cause or change the motion of an object by touching it is called _______  force.
A
contact
B
Feild
C
reaction
Question 7
Muscular force is ________ force.
A
contact
B
Receiving
C
feild
Question 8
The force of _______ arises due to the contact between two bodies.
A
Temperature
B
traction
C
friction
Question 9
The force of gravity is an __________ force.
A
Feild
B
attractive
C
Contact
Question 10
Liquids and gases are called ________
A
Reaction
B
Feild
C
fluids
Question 11
Fluids exert pressure in the bottom of the __________
A
all directions
B
particular direction
C
north
Question 12
The pressure of a  liquid depends on ________ force
A
gravitational
B
Feild
C
Contact
Question 13
The pressure of the liquid increases with the ________ in depth.
A
increase
B
Decrease
Question 14
_______ column is force per unit area.
A
temperature
B
Pressure
C
force
Question 15
As we go higher above the earth’s surface, the atmospheric pressure.
A
increase
B
decrease
Question 16
An Italian Scientist named _________
A
Issac Newton
B
Issac Assimov
C
Torricelli
Question 17
Torricelli barometer was ______
A
oil
B
mercury
Question 18
Friction is a _________
A
contact
B
Relative
C
Feild
Question 19
As the mass of the body increases, the friction _________
A
increases
B
Decrease
Question 20
Friction produces __________
A
air
B
Cold
C
heat
Question 21
To move any object _______ is needed.
A
Force
B
effort
C
motion
Question 22
In the international system of  units, The unit of force in _______
A
newton(N)
B
Watt
C
Volt
Question 23
To apply ________ on an object, we need to come in contact with the object.
A
Unit
B
force
C
Mass
Question 24
The force caused by the action of  muscles is known as __________
A
muscular force
B
frictional force
C
Mechanical force
Question 25
The ______ force is always in a direction opposite to the direction of motion of the objects.
A
Mechanical
B
frictional
C
muscular force
Question 26
Magnetic force is a ______ force.
A
non-contact
B
Contact
C
Field
Question 27
The force exerted by a charged body on another charged or unchanged body is known as _______
A
electromagnetic
B
electrostatic
C
Electric
Question 28
Force applied upon an object depends on the _______ on which it is acting.
A
pressure
B
area
C
volume
Question 29
The SI unit of pressure is named after the scientist _______
A
Blaise Pascal
B
pascaline
Question 30
Solids always exert pressure _________
A
downwards
B
Upwards
Question 31
Liquid exerts equal pressure at the ______ depth.
A
Different
B
same
Question 32
The earth is surrounded by __________ all around.
A
Water
B
Heat
C
air
Question 33
The thick envelope of air around the earth is called the _________
A
Hydrosphere
B
atmosphere
C
climate
Question 34
The pressure exerted by the air column above the earth is called _________
A
atmospheric pressure
B
hydrospheric pressure
Question 35
The atmospheric pressure is not the _______ at all places.
A
same
B
different
Question 36
Car brakes work on the principle of ________
A
Pascal’s law
B
newton's law
Question 37
_________ is the force created whenever two surfaces move or try to move over each other.
A
traction
B
friction
C
temperature
Question 38
Friction is less when the _________ is smooth.
A
atmosphere
B
surface
Question 39
Match the following
  1. wheels and ball bearings        a. non-contact force
  2. grooves                                        b. based on Pascal’s law
  3. earth escavators                            c. increases friction
  4. fall of an apple from the tree             d. decreases friction
A
4 3 2 1
B
1 4 2 3
C
2 4 3 1
D
3 1 2 4
Question 40
Match the following
  1. Frictional force          a. non-contact force
  2. Electrostatic force       b. Pascal’s law
  3. Earth excavators          c. contact force
  4. Sir Issac Newton            d. fluids
  5. Liquids and gases            e. force
A
5 1 3 4 2
B
2 3 1 5 4
C
4 5 2 3 1
D
1 5 4 3 2 1
Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results
There are 40 questions to complete.

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button
error: Content is protected !!