Class 8 Science Chapter 8 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 2024-25. 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 8 MCQs covers the entire chapter and all the topics with suitable answers and explanation.

Class 8 Science Chapter 8 MCQ

Class: 8Science
Chapter: 8Force and Pressure
Contents: MCQ Online Test with answers
Session:2024-25

MCQ Tests with Answers for Class 8 Science Chapter 8

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

Two boys A (left side) and B (right side) are applying force on a block. If the block moves towards the right, which one of the following statements is correct?

[A]. Magnitude of force applied by A is greater than that of B.
[B]. Magnitude of force applied by A is smaller than that of B.
[C]. Net force on the block is towards A.
[D]. Magnitude of force applied by A is equal to that of B.
Q3

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.
Q4

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
Q5

Two objects repel each other. This repulsion could be due to:

[A]. Frictional force only
[B]. Electrostatic force only
[C]. Magnetic force only
[D]. Either a magnetic or an electrostatic force
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

Which of the following force is utilized in reducing air pollution by removing dust, soot and fly-ash particles from the smoke coming out of chimneys of factories?

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

A force can produce many effects. Choose the correct statements:

[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 shape and size of an object.
[D]. All the above
Q13

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
Q14

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

[A]. Pascal
[B]. Kelvin
[C]. Newton
[D]. Magdeburg
Q15

There is a magnetic force of repulsion between the like poles of two magnets. Priya is writing some statements, choose the correct statement and help her:

[A]. The force exerted by a magnet is called magnetic force.
[B]. There is a magnetic force of repulsion between the like poles of two magnets.
[C]. There is a magnetic force of attraction between the unlike poles of two magnets.
[D]. All 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

Which of the following is not a non-contact force?

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

Boojho appeared in class test but he confused to know the incorrect statement. Would you help him to know that?

[A]. Nose bleeding take place at high altitude.
[B]. At high altitude, the atmospheric pressure becomes much less than our blood pressure.
[C]. At atmospheric pressure acting on our body from outside is balanced by the blood pressure from inside.
[D]. None of the above
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

The magnitude of atmospheric pressure is equal to the pressure exerted by a:

[A]. 76 mm tall column of mercury
[B]. 760 mm tall column of alcohol
[C]. 76 cm tall column of mercury
[D]. 760 cm tall column of mercury
Q23

A school bag has wide strap made of thick cloth so that:

[A]. [A] The weight of bag creates less pressure.
[B]. The weight of bag easily transfers the shoulder.
[C]. The shape of bag can hold more books.
[D]. The weight of bag controlled by air pressure and blood pressure.
Q24

The atmospheric pressure is usually measured in the unit of:

[A]. Newtons per square meter
[B]. Pascal
[C]. Cm of mercury
[D]. Mm of mercury
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

Download App for Class 8

How to prepare chapter 8 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 8 of class 8 Science.

Last Edited: June 12, 2023