Class 8 Science Chapter 11 MCQ (Multiple Choice Questions) of Force and Pressure for CBSE and State boards like UP board, MP board and other board who are following NCERT books for session 2022-2023. All the questions are taken from latest NCERT books issued for new academic session. Practice with these questions to clear all of your doubts and to be confident in exams. Class 8 science chapter 11 MCQs covers the entire chapter and all the topics with suitable answers and explanation.

Class 8 Science Chapter 11 MCQ for 2022-2023

Class: 8Science
Chapter: 11Force and Pressure
Contents: MCQ Online Test with answers

MCQ Tests with Answers for Class 8 Science Chapter 11

Q1

Which of the following is not an example of muscular force?

[A]. A porter carrying a load on a wheel-barrow.
[B]. An apple falling from a tree.
[C]. A child riding a bicycle.
[D]. A person drawing water from a well.
Q2

Which of the following is not an example of the force of gravity?

[A]. A leaf falling from a tree.
[B]. A boy pushing a cart on a level plane.
[C]. A diver jumping into a swimming pool.
[D]. A stone falling from the top of a cliff.
Q3

In the electric bell circuit, when the circuit is completed, the hammer strikes the gong. Which of the following force is responsible for the movement of hammer?

[A]. Gravitational force alone
[B]. Electrostatic force alone
[C]. Magnetic force alone
[D]. Frictional force alone
Q4

When we press the bulb of a dropper with its nozzle kept in water air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to:

[A]. Pressure of water
[B]. Gravity of the earth
[C]. Shape of rubber bulb
[D]. Atmospheric pressure
Q5

A rectangular wooden block has length, breadth and height of 50 cm, 25 cm and10 cm, respectively. This wooden block is kept on ground in three different ways, turn by turn. Which of the following is the correct statement about the pressure exerted by this block on the ground?

[A]. The maximum pressure is exerted when the length and breadth form the base
[B]. The maximum pressure is exerted when length and height form the base
[C]. The maximum pressure is exerted when breadth and height form the base
[D]. The minimum pressure is exerted when length and height form the base
Q6

Which one of the following forces is a contact force?

[A]. Force of gravity
[B]. Force of friction
[C]. Magnetic force
[D]. Electrostatic force
Q7

A brick is kept in three different ways with the help of V, L, O shapes on a table. The pressure exerted by the brick on the table will be

[A]. Maximum in position V
[B]. Maximum in position O
[C]. Maximum in position L
[D]. Equal in all cases.
Q8

Which of the following statement is or are incorrect?

[A]. A push or pull on an object is called force.
[B]. When we push the door to open it, then we apply a force on the door in certain direction.
[C]. An interaction of an object with another object results in a force between the two objects.
[D]. All the above
Q9

The same force “F” acts on four different objects having the areas given below, one by one. In which case the pressure exerted will be the maximum?

[A]. 20 m2
[B]. 50 m2
[C]. 10 m2
[D]. 100 m2
Q10

Consider the following statements and choose the incorrect one:

[A]. The strength of a force is expressed by its magnitude.
[B]. The magnitude of a force is expressed in the SI unit of force called “Newton”.
[C]. An adult man can apply large force on an object whereas a child can apply only a small force on an object.
[D]. None of the above
Q11

Which of the following represent correct values for the normal atmospheric pressure?

[A]. 101.3 kilopascals and 76 mm of mercury
[B]. 76 mm of mercury and 101.3 pascals
[C]. 101.3 kilopascals and 76 cm of mercury
[D]. 76 mm of mercury and 76 cm of mercury
Q12

Which of the following does not work on the existence of atmospheric pressure?

[A]. Rise of iodine solution in the glass tube of dropper
[B]. Rise of cold drink in a long plastic straw
[C]. Sticking of suction hook on the wall of a room
[D]. Rise of mercury in glass tube of thermometer
Q13

The magnitude of force is expressed in the unit of force called:

[A]. Pascal
[B]. Kelvin
[C]. Newton
[D]. Magdeburg
Q14

Which of the following change appreciably when a batsman hits a moving cricket ball?

[A]. Shape and Direction
[B]. Direction and Size
[C]. Shape and Size
[D]. Direction and Speed
Q15

Bikash is doing his homework which is given by his teacher. Would you help him to choose the incorrect sentences?

[A]. The pull exerted by objects possessing mass is called gravitational force.
[B]. The force exerted by an electrically charged object is called electrostatic force.
[C]. The drinking straw works on the existence of atmospheric pressure.
[D]. None of the above
Q16

Which of the following is not an effect of force?

[A]. A force can change the speed of a moving object
[B]. A force can change the direction of a moving object
[C]. A force can change the composition of a moving object
[D]. A force can change the shape and size of an object
Q17

The force of 150 N is applied to an object of area 3 m2. Calculate the pressure.

[A]. 25 N/m2
[B]. 50 N/m2
[C]. 100 N/m2
[D]. 147 N/m2
Q18

Which of the following scientists gave the idea of the existence of gravitational force?

[A]. Einstein
[B]. James Watt
[C]. Faraday
[D]. Newton
Q19

Some mustard oil is kept in a beaker. It will exert pressure:

[A]. Downwards only
[B]. Sideways only
[C]. Upwards only
[D]. In all directions
Q20

In a science quiz competition, Payel is asked a question where she had to choose the statement which was/were incorrect?

[A]. The greater the depth of a point in a liquid, the greater is the pressure.
[B]. A liquid exerts pressure on the walls of its container.
[C]. The atmospheric pressure is maximum at the high mountain.
[D]. None of the above.
Q21

A pressure of 10 kPa acts on an area of 0.3 m2. The force acting on the area will be:

[A]. [A] 3000 N
[B]. 30 N
[C]. 3 N
[D]. 300 N
Q22

A blunt knife does not cut an object easily because:

[A]. Thicker edge produces lesser pressure.
[B]. The thicker edge does not transfer the force.
[C]. It can be used to cut the butter
[D]. The weight of knife controlled by object
Q23

In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were correct? Will you be able to answer this question?

[A]. The drinking straw works on the existence of atmospheric pressure.
[B]. The syringe works on the existence of atmospheric pressure.
[C]. A dropper works on the existence of atmospheric pressure.
[D]. All the above
Q24

When a force of 5 N acts on a surface, it produces a pressure of 500 Pa. The area of surface then must be

[A]. 10 cm2
[B]. 50 cm2
[C]. 100 cm2
[D]. 0.01 cm 2
Q25

When we press the rubber sucker on a flat, smooth surface. A rubber sucker stays attached firmly to a flat surface due to:

[A]. Gravity of the earth inside
[B]. Low atmospheric pressure inside
[C]. High atmospheric pressure inside
[D]. High electrostatic force creates inside

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How to prepare chapter 11 of Class 8 Science?

Just read the complete chapter from NCERT Textbook and go through the exercise questions answers given at the end of the chapter of NCERT book. Now work on important questions and MCQ questions to learn thoroughly the entire chapter 11 of class 8 Science.