CBSE Class 8 Science Force and Pressure MCQs

Refer to CBSE Class 8 Science Force and Pressure MCQs provided below available for download in Pdf. The MCQ Questions for Class 8 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 11 Force and Pressure are an important part of exams for Class 8 Science and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 8 Science and also download more latest study material for all subjects

नीचे दिए गए CBSE कक्षा 8 विज्ञान बल और दबाव MCQs देखें जो पीडीएफ में डाउनलोड के लिए उपलब्ध हैं। उत्तर के साथ कक्षा 8 विज्ञान के लिए MCQ प्रश्न CBSE, NCERT और KVS द्वारा सुझाए गए नवीनतम पाठ्यक्रम और परीक्षा पैटर्न के अनुसार संरेखित हैं। अध्याय 11 बल और दबाव के लिए बहुविकल्पीय प्रश्न कक्षा 8 विज्ञान के लिए परीक्षाओं का एक महत्वपूर्ण हिस्सा हैं और यदि ठीक से अभ्यास किया जाए तो आपको अपनी समझ को बेहतर बनाने और उच्च अंक प्राप्त करने में मदद मिल सकती है। CBSE कक्षा 8 विज्ञान के लिए अधिक अध्याय-वार MCQs देखें और सभी विषयों के लिए अधिक नवीनतम अध्ययन सामग्री भी डाउनलोड करें 

MCQ for Class 8 Science Chapter 11 Force and Pressure

Class 8 Science students should refer to the following multiple-choice questions with answers for Chapter 11 Force and Pressure in Class 8.

कक्षा 8 विज्ञान के छात्रों को कक्षा 8 के अध्याय 11 बल एवं दाब के लिए निम्नलिखित बहुविकल्पीय प्रश्नों के उत्तर देखने चाहिए।

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

Question. A push or pull on an object is called
a) Pressure
b) Push-pull
c) Force
d) All of the above

Answer: C

Question. If two forces act in the opposite directions on an object, the net force acting on it is the
a) Sum of the two forces
b) difference between the two forces
c) Multiplication of the two forces
d) Division of the two forces

Answer: B

Question. Which of the following is proper example(s) to explain that force on an object may change its shape
a) A ball of dough rolled into chapati
b) Pressing a rubber ball kept on table
c) Making model using clay
d) All of the above

Answer: D

Question. A ball rolling on the ground slows down and finally stops. This is because of
a) Force
b) Less force applied
c) Friction
d) None of the above

Answer: C

Question. Force of friction always acts on moving objects and its direction shall be ____
a)  On any direction
b)  Along the direction of motion
c)  Perpendicular to the direction of motion
d)  Opposite to the direction of motion

Answer: D

Question. If In a tug-o-war, when two teams are pulling a rope, and the rope does not move towards any team, it implies that
a) Equal force is being applied in the same direction
b) Equal Force is being applied in opposite direction
c)  No force is applied in any direction
d)  Cannot be explained

Answer: B

Question. An example of a non- contact force is
a) Force exerted by us to lift a bucket
b) Push a stationary car
c) Force exerted by magnet
d)  Hit a cricket ball for a 6 run

Answer: C

Question. Pressure =
a) Area / force on which it acts
b) force / area on which it acts
c) Volume / force on which it acts
d) Force / volume on which it acts

Answer: B

Question. Gravity is
a) Repulsive
b) Attraction + Repulsive force
c) Attractive force
d) Not a force

Answer: C

Question. A batsman hits the ball for a boundary past the bowler i.e. four runs. The batsman thus
a) Changes the direction & speed of the ball
b) Does not change the direction but speed only
c) Does not change the speed but direction only
d) Does not change either direction or speed

 Answer: A

Question: Leaves or fruits fall on the ground due to
a) Gravitational force
b) Magnetic force
c) Electostatic force
d) Muscular force

Answer: A

Question: Force acts on an object may change
a) All of these
b) Direction
c) Shape
d) Speed

Answer: A

Question: Magnetic force is
a) Non contact force
b) Contact force
c) Contact force and non contact force
d) None of the options

Answer: A

Question: When two forces act in opposite directions, then net force acting two forces
a) Difference bwteen two factors
b) Sum of two factors
c) Sum of two factors and difference bwteen two factors
d) None of the options

Answer: A

Question: The force between two charged bodies is called
a) Electrostatic force
b) Muscular force
c) Gravitational force
d) Magnetic force

Answer: A

Question: The strength of force is expressed by?
a) Magnitude
b) Weight
c) Mass
d) Longitudinal force

Answer: A

Question: What is state of motion?
a) Both by the state of rest or motion
b) Position of rest
c) Position of motion
d) None of the options

Answer: A

Question: What is force?
a) Pull and push both
b) Pull
c) Push
d) None of the options

Answer: A

Question. Force acts on an object may change
(a) direction
(b) shape
(c) speed
(d) all of above

 

Answer : D

 

Question. The pressure exerted by a liquid:
(a) decreases with depth
(b) does not change with depth
(c) increases with depth
(d) is different in different directions at he same depth

 

Answer : C

 

Question. The weight of air that every square centimetre of any surface carries is:
(a) 1 kg
(b) 10 kg
(c) 1 gm
(d) 100 kg

 

Answer : A

 

Question. 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

 

Answer : D

 

Question. State of motion is described by

(a) Position of rest

(b) Position of motion

(c) Both by the state of rest or motion

(d) None of these

 

Answer : C

 

Question. A push or pull on an object is called

(a) Gravitation

(b) Pressure

(c) Push-pull

(d) Force

 

Answer : A

 

Question. 1 kilogram weight is equal to
(a) 98 N
(b) 9.8 N
(c) 0.98 N
(d) 0.098 N

 

Answer : B

 

Question. A man walking on the street slips on a banana skin because:
(a) it is sticky
(b) his foot crushes it
(c) at that point there is very little friction
(d) all of these.

 

Answer : C

 

Question. A When does a body float on water?

(a) When no force is acting on it.

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

(c) When there is a gravitational pull.

(d) When there is friction between the body and the water

 

Answer : B

 

Question. Force acting on per unit area is called
(a) non-contact forces
(b) contact forces
(c) force
(d) pressure

 

Answer : D

 

Question. State of motion is described by
(a) Position of rest
(b) Position of motion
(c) Both by the state of rest or motion
(d) None of these

 

Answer : C

 

Question. The instrument used of measure atmospheric pressure is:
(a) mercury barometer
(b) manometer
(c) pressure meter
(d) none of these

 

Answer : A

Question. Force is a :
(A) Vector quantity
(B) Scalar quantity
(C) Both (A) & (B)
(D) None of these

Answer: A

Question. When an object undergoes acceleraton:

(A) Its speed always increases

(B) Its velocity always increases

(C) It always falls towards the earth

(D) A force always acts on it

Answer: D

 

Question. External forcees are:

(A) Always balanced

(B) Never balanced

(C) May or may not be balanced

(D) None of these

Answer: C

 

Question. The ent force acting on a body of mass 1 kg moving with a uniform velocity of 5 ms^–1 is;

(A) 5 N
(B) 0.2 N

(C) 0
(D) None of these

Answer: C

 

Question. How may dynes are equal to 1 N ?

(A) 10⁶
(B) 10⁴
(C) 10⁵
(D) 10³

Answer: C

 

Question. A force can :

(A) Change the direction of a moving body

(B) Change the state of rest or uniform motion of a body

(C) Change the shape of body

(D) All of the above

Answer: D

 

Question. SI unit of force is :

(A) dyne
(B) newton

(C) gf.
(D) can’t say

Answer: B

 

Question. If a rock is brought from the surface of the moon.

(A) Its mass will change

(B) Its weight will change, but not mass

(C) Both mass and weight will change

(D) Its mass and weight will remain the same

Answer: B

 

Question. A body is moving with certain velocity towards right.

A force of 5N is applied on it towards right and a force of 6 N is applied on it towards left then:

(A) Speed of body increases towards right

(B) Speed of body increases towards left

(C) Speed of body remains the same

(D) Speed of body decreases

Answer: D

 

Question. How much force is required to lift a mass of 100g:

(A) 10 N
(B) 1 N

(C) 100 N
(D) 1000 N

Answer: B

 

Question. A force can be completely described by

(A) Its magnitude

(B) Its direction

(C) Its magnitude and direction

(D) Neither magnitude nor direction

Answer: C

 

Question. When a body is stationary:

(A) There is no force acting on it

(B) The forces acting on it are not in contact with it.

(C) The combination of forces acting on it balance each other

(D) The body is in vacuum

Answer: C

 

Question. If the normal reaction Rbetween the two surfaces in contact is double what happen to the coefficient of friction.

(A) Double

(B) Halved

(C) Unchanged

(D) Depend on the nature of surface.

Answer: A

 

Question. A stretching force of 10 N is applied at one end of a spring balnce and an equal stretching force is applied at the other end at the same time.

What will be reading of the balance ?

(A) 0 N
(B) 5 N

(C) 10 N
(D) 20 N

Answer: D

 

Question. Which of the following statements are true ? No net force acts on:

(A) A drop of rain falling vertically with a constant speed

(B) A cork floating on water

(C) A car moving with constant velocity on rough road

(D) A body moving in a circular path at constant speed

Answer: D

 

Question. Which is not a non-contact force:

(A) Gravitational
(B) Eleectrostatic

(C) Magnetic
(D) Frictional

Answer: D

 

Question. 1 dyne is equal to :

(A) 10⁴ N
(B) 10⁵ N

(C) 10^–5 N
(D) 10^–4 N

Answer: C

 

Question. 1 Newton is a force which produces:

(A) An acceleration of 1 ms^–2 in a body of mass 1g.

(B) An acceleration of ms^–2 in a body of mass1kg

(C) AN acceleration of 1 cms^–2 in a body of mass 1kg

(D) An acceleration of ms^–2 in a body of mass 10g.

Answer: B

 

Question. When a boy weighing 30 kgf sits at one end of a 4 m long see-sew, it gets depreessed at this end. It can be brought to the horizontal position if a man weighing 20 kgf sits at :

(A) The opposite end of the see-sew

(B) 1.5 meter distance on the side of the boy

(C) 1.5 meter distance on the side opposite to the boy.

(D) The center of gravity of the whole system.

Answer: B

 

 

Answer: B

 

Question. Force changes ……………… of an object
(a) volume
(b) speed
(c) density
(d) none

 

Answer : B

 

Question. Which Of The Following Is Not A Non-Contact Force?
(a) Electrostatic force
(b) Gravitational force
(c) Frictional force
(d) Magnetic force 

 

Answer : C

 

Question. During Dry Weather, While Combing Hair, Sometimes We Experience Hair Flying Apart. The Force Responsible For This Is:
(a) Force of gravity.
(b) Electrostatic force.
(c) Force of friction.
(d) Magnetic force.

 

Answer : B

 

Question. 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

 

Answer : A

 

Question. Gravity is the property of ……………..
(a) earth above
(b) every object
(c) moon above
(d) none

 

Answer : B

 

Question. 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.

 

Answer : A

 

Question. Which One Of The Following Forces Is A Contact Force?
(a) Force of gravity
(b) Force of friction
(c) Magnetic force
(d) Electrostatic force

 

Answer : B

 

Question. If two forces act in the opposite directions on an object, the net force acting on it is the
(a) Sum of the two forces
(b) difference between the two forces
(c) Multiplication of the two forces
(d) Division of the two forces

 

Answer : B

 

Question. 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

 

Answer : D

 

Question. 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

 

Answer : B
 

Question. Which of the following is the action-at-distance force ?
(A) muscular force
(B) frictional force
(C) magnetic force
(D) mechanical force

Answer : C

 

Question. The force exerted by one object on another by virtue of their masses is

(A) magnetic force
(B) electrostatic force

(C) gravitational force
(D) frictional force

 

Answer : C

 

Question. The standard unit of force is

(A) metre/second
(B) newton

(C) metre/second²
(D) gram-weight

 

Answer : B

 

Question. A spring balance is used for measuring

(A) weight
(B) speed

(C) acceleration
(D) mass

 

Answer : D

 

Question. A force applied on a moving body may

(A) bring it to rest

(B) increase its speed

(C) decrease the speed

(D) all of the above

 

Answer : D

 

Question. Earth always pulls everything towards it due to

(A) muscular force

(B) mechanical force

(C) gravitational force

(D) electrostatic force

 

Answer : C

 

Question. A cart being carried by a horse is an example of

(A) muscular force

(B) mechanical force

(C) gravitational force

(D) electrostatic force

 

Answer : B

 

Question. If you press an inflated balloon, it deforms due to a type of

(A) contact force

(B) non-contact force

(C) gravitational force

(D) none of these

 

Answer : A

 

Question. Force exerted by the muscless is known as

(A) mechanical force

(B) gravitational force

(C) electrostatic force

(D) muscular force

 

Answer : D

 

Question. A hockey player uses his hockey stick –

(A) To push the ball

(B) To pull the ball

(C) To change its direction

(D) All of these

 

Answer : D

 

Question. A force when applied brings change in –

(A) Direction of motion of the body

(B) Speed of moving body

(C) Shape of the body

(D) Any of these

 

Answer : D

 

Question. The force responsible for the wearing out of the car tyres is –

(A) Frictional force
(B) Gravitational force

(C) Magnetic force
(D) Muscular force

 

Answer : A

 

Question. The force you will use to collect the iron nails scattered on a sandy ground is –

(A) Frictional force
(B)Gravitational force

(C) Magnetic force
(D) None of these

 

Answer : C

 

Question. The force you use to stretch a rubber band is –

(A) Frictional force
(B)Gravitational force

(C) Magnetic force
(D) Muscular force

 

Answer : B

 

Question. The SI unit of force is

(A) metre
(B) newton

(C) pascal
(D) second

 

Answer : B

 

Question. A contact force cannot act through

(A) empty space

(B) touching

(C) touching with a metal rod

(D) touching with a wooden rod

 

Answer : A

 

Question. A force that opposes the motion of one surface sliding over another is called

(A) friction
(B) newton

(C) lubrication
(D) ball bearing

 

Answer : A

 

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

(a) Magnetic force

(b) Gravitational force

(c) Electrostatic force

(d) Muscular force

 

Answer : C

 

Question. The force exerted by a charged body on another char
(a) gravitational force
(b) electrostatic force
(c) non-contact force
(d) contact force

 

Answer : B

 

Question. A charged balloon attaches to a wall because of ______
(a) Muscular force
(b) Electrostatic force
(c) Magnetic force
(d) Gravitational force

 

Answer : B

 

Question. A spring balance is used for measuring
(a) mass
(b) weight
(c) pressure
(d) speed

 

Answer : B

 

Question. The strength of force is expressed by?
(a) weight
(b) mass
(c) magnitude
(d) longitudinal force

 

Answer : C

 

Question. A boat comes to rest if we stop rowing it due to:
(a) gravitation force
(b) force of friction
(c) muscular force
(d) none of these

 

Answer: B

 

Question. Which of the following actions describe pushing force?

(a) Kicking

(b) Lifting

(c) Picking

(d) Opening

 

Answer : A

 

Question. The force exerted by the earth to pull the object towards itself is called
(a) electrostatic force
(b) gravitational force
(c) muscular force
(d) contact force

 

Answer : B

 

Question. The ratio of force, acting perpendicular to the area, on which it acts is known as ________.
(a) Force
(b) Friction
(c) Presuure
(d) Density

 

Answer : C

 

Question. The force involved in falling an apple from a tree is:
(a) Magnetic force
(b) Contact force
(c) Electrostatic force
(d) Gravitational force

 

Answer : D

 

Question. The pressure exerted by the air is known as:
(a) air pressure
(b) gas pressure
(c) atmospheric pressure
(d) none of these

 

Answer : C

 

Question. Pushing a rock from a hill top is an example of:
(a) muscular force
(b) magnetic force
(c) frictional force
(d) electrostatic force

 

Answer : A

 

Question. By decreasing the contact area the pressure:
(a) is decreased
(b) remain same
(c) is increased
(d) none of these

 

Answer : C