# 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%%
 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.
There are 40 questions to complete.

### Tnpsctricks

error: Content is protected !!