# Force and Pressure MCQ Questions for Class 8 Science Chapter 11 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 8 Science book Chapter 11 Force and Pressure with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 8 Science Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Force and Pressure. Each Questions has four options followed by the right answer. Download the Science Quiz Questions with Answers for Class 8 free Pdf and prepare to exam and help students understand the concept very well.

## Q1. The pressure exerted by a liquid:

(i) decreases with depth
(ii) does not change with depth
(iii) increases with depth
(iv) is different in different directions at he same depth

(iii) increases with depth

## Q2. Force acting on per unit area is called

(i) non-contact forces
(ii) contact forces
(iii) force
(iv) pressure

(iv) pressure

(i) Kicking
(ii) Lifting
(iii) Picking
(iv) Opening

(i) Kicking

## Q4. The force exerted by the earth to pull the object towards itself is called

(i) electrostatic force
(ii) gravitational force
(iii) muscular force
(iv) contact force

(ii) gravitational force

## Q5. A ball rolling on the ground slows down and finally stops. This is because of

(i) Force
(ii) Less force applied
(iii) Friction
(iv) None of the above

(iii) Friction

## Q6. When two forces act in opposite directions, then net force acting is the

(i) Sum of two forces
(ii) Difference between two forces
(iii) Both of the above
(iv) None of the above

(ii) Difference between two forces

## Q7. Force is:

(i) only push on an object
(ii) only pull on an object
(iii) either push or pull on an object
(iv) none of these

(iii) either push or pull on an object

## Q8. The force exerted by the earth to pull the object towards itself is called

(i) electrostatic force
(ii) gravitational force
(iii) muscular force
(iv) contact force

(ii) gravitational force

## Q9. The force exerted by a charged body on another charged or uncharged body is known as

(i) Magnetic force
(ii) Gravitational force
(iii) Electrostatic force
(iv) Muscular force

(iii) Electrostatic force

### Q10. The force exerted by a charged body on another charge

(i) gravitational force
(ii) electrostatic force
(iii) non-contact force
(iv) contact force

(ii) electrostatic force

## Q11. An example of a non- contact force is

(i) Force exerted by us to lift a bucket
(ii) Push a stationary car
(iii) Force exerted by magnet
(iv) Hit a cricket ball for a 6 run

(iii) Force exerted by magnet

(i) Italy
(ii) Russia
(iii) Germany
(iv) America

(iii) Germany

## Q13. The pressure exerted by the air is known as:

(i) air pressure
(ii) gas pressure
(iii) atmospheric pressure
(iv) none of these

(iii) atmospheric pressure

## Q14. The force exerted by our muscle is called

(i) electrostatic force
(ii) muscular force
(iii) gravitational force
(iv) non-contact force

(ii) muscular force

(i) Colour
(ii) Mass
(iii) Weight
(iv) Speed

(iv) Speed

(i) 98 N
(ii) 9.8 N
(iii) 0.98 N
(iv) 0.098 N

(ii) 9.8 N

## Q17. When two forces act in opposite directions, then net force acting two forces

(i) Difference bwteen two factors
(ii) Sum of two factors
(iii) Sum of two factors and difference bwteen two factors
(iv) None of the options

(i) Difference bwteen two factors

## Q18. How does the pressure exerted by a liquid change?

(i) Increases with depth
(ii) Decreases with depth
(iii) Remains constant
(iv) First increases and then decreases

(i) Increases with depth

## Q19. The instrument used of measure atmospheric pressure is:

(i) mercury barometer
(ii) manometer
(iii) pressure meter
(iv) none of these

(i) mercury barometer

(i) mass
(ii) weight
(iii) pressure
(iv) speed

(ii) weight

## Q21. Leaves or fruits fall on the ground due to

(i) Magnetic force
(ii) Gravitational force
(iii) Electrostatic force
(iv) Muscular force

(ii) Gravitational force

#### Q22. When the hammer strikes the gong of an electric bell, which of the following force is responsible for the movement of hammer?

(i) Gravitational force alone
(ii) Magnetic force alone
(iii) Electrostatic force alone
(iv) Frictional force alone

(iii) Electrostatic force alone

## Q23. What is state of motion?

(i) Both by the state of rest or motion
(ii) Position of rest
(iii) Position of motion
(iv) None of the options

(i) Both by the state of rest or motion

## Q24. What is the cause of change in motion or change in the state of motion?

(i) Pressure
(ii) Atmospheric Pressure
(iii) Force
(iv) Friction

(iii) Force

## Q25. The weight of air that every square centimetre of any surface carries is:

(i) 1 kg
(ii) 10 kg
(iii) 1 gm
(iv) 100 kg

(i) 1 kg

#### Q26. During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is

(i) force of gravity
(ii) force of friction
(iii) electrostatic force
(iv) magnetic force

(iii) electrostatic force

## Q27. Force applied on an object in same direction

(i) Divide on another
(iii) Multiply on another
(iv) Subtract to one another

### Q28. Which one of the following forces is a contact force?

(i) Force of gravity
(ii) Magnetic force
(iii) Force of friction
(iv) Electrostatic force

(iii) Force of friction

## Q29. A When does a body float on water?

(i) When no force is acting on it.
(ii) When the net force acting on the body is zero
(iii) When there is a gravitational pull.
(iv) When there is friction between the body and the water

(ii) When the net force acting on the body is zero

## Q30. A force of 16N acts on an area of 50 cm². What is the pressure in pascal?

(i) 4200 Pa
(ii) 5200 Pa
(iii) 3200 Pa
(iv) 2200 Pa

(iii) 3200 Pa

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