MCQ for Class 11 Physics Chapter 5 Laws of Motion with answer

MCQ for Class 11 Physics Chapter 5 : MCQs for Class 11 Physics Chapter 5 Laws of Motion with Answers PDF Free Download prepared here according to the latest CBSE RBSE and Other State Board syllabus and NCERT Books.

MCQ for Class 11 Physics Chapter 5 PDF with answer

MCQ for Class 11 Physics Chapter 5 Laws of Motion with answer

Q1. Newton’s first law of motion describes the

a) inertia
b) energy
c) work
d) moment of inertia

a) inertia


Q2. Inertia is the property of a body linked to tendency of a body

a) to resist any change in its state
b) to change the momentum
c) to change its direction
d) to change its position

a) to resist any change in its state


Q3. Physical independence of force is a consequence of

a) first law of motion
b) third law of motion
c) second law of motion
d) all of these

a) first law of motion


Q4. A reference frame attached to the earth

a) cannot be an inertial frame because earth is revolving round the sun
b) is an inertial frame by definition
c) is an inertial frame because Newton’s laws are applicable
d) is an inertial frame because the earth is rotating about its own axis

a) cannot be an inertial frame because earth is revolving round the sun


Q5. The direction of impulse is

a) same as that of the net force
b) opposite to that of the net force
c) same as that of the final velocity
d) same as that of the initial velocity

a) same as that of the net force


Q6. When a body is stationary

a) the combination of forces acting on it balances each other
b) the body is in vacuum
c) the force acting on it is not in contact with it
d) there is no force acting on it

a) the combination of forces acting on it balances each other


Q7. When an elevator cabin falls down, the cabin and all the bodies fixed in the cabin are accelerated with respect to

a) man standing on earth
b) ceiling of elevator
c) floor of elevator
d) man standing in the cabin

a) man standing on earth


Q8. A monkey is climbing up a rope, then the tension in the rope

a) must be equal to the force applied by the monkey on the rope
b) must be less than the force applied by the monkey on the rope.
c) must be greater than the force applied by the monkey on the rope.
d) may be equal to, less than or greater the force applied by the monkey on the rope.

a) must be equal to the force applied by the monkey on the rope


Q9. If two masses (M & m) are connected on a horizontal plane and a force is applied on the combination, then the tension T depends on

a) whether force is applied on M or m
b) the force applied on the system
c) Can’t be predicted.
d) None of these

a) whether force is applied on M or m


Q10. The mass of a body which is equal to the ratio of the force acting on a body to the acceleration produced in the body is

(a) the gravitational mass
(b) the electromagnetic mass
(c) the internal mass
(d) the inertial mass

(d) the inertial mass


Q11. A spherical ball of mass 10-6 kg hits a wall 1000 times per second normally with a velocity of 1000 m/s and rebounds with same velocity along the initial direction. The force experienced by the wall is

(a) 1 N
(b) 4 N
(c) 2 N
(d) 8 N

(c) 2 N


Q12. The force required to produce an acceleration of 2 m/s² on a mass of 2 kg is

(a) 4 N
(b) 10 N
(c) 22 N
(d) 18 N

(a) 4 N


Q13. A machine gun fires a bullet of mass 40 g with a velocity of 1200 ms-1. The man holding it can exert a maximum force on 144 N on the gum. How many bullets can he fire per second at the most?

(a) one
(b) four
(c) two
(d) three

(d) three


Q14. A passenger in a moving bus is thrown forward when the bus is suddenly stopped. This is explained

(a) by Newtons first law
(b) by Newtons second law
(c) by Newtons third law
(d) by the principle of conservation of momentum

(a) by Newtons first law


Q15. A passenger sitting in a bus moving at uniform speed, feels pushed backward whenever the bus is accelerated forward. This type of force is called

(a) Gravitational force
(b) real force
(c) fictitious force or pseudo force
(d) frictional force

(c) fictitious force or pseudo force


Q16. A body of mass 5 kg is travelling with a uniform velocity of 2 m/s. Its momentum is

(a) 10 kg m/s
(b) 7 kg m/s
(c) 2 .5 kg m/s
(d) 3 kg m/s

(a) 10 kg m/s


Q17. Inside the nucleus, two protons are held together by a force which overcomes the repulsion. This force is called

(a) gravitational force
(b) electrostatic force
(c) weak force
(d) strong force

(d) strong force


Q18. A block of wood is placed on a surface. A force is applied parallel to the surface to move the body. The frictional force developed acts

(a) normal to the surface upwards
(b) normal to the surface downwards
(c) along the direction of the applied force
(d) opposite to the direction of the applied force

(d) opposite to the direction of the applied force


Q19. A bullet of mass 25 g moving with a velocity of 200 cm/s is stopped within 5 cm of the target. The average resistance offered by the target is

(a) 1 N
(b) 2 N
(c) 3 N
(d) 4 N

(a) 1 N


Q20. The mass of a body is 2 kg. It weight is

(a) 19.6 N
(b) 20 N
(c) 30 N
(d) 40 N

(a) 19.6 N


Q21. A body is sliding down a rough inclined plane which makes an angle of 30 degree with the horizontal. If the coeffcient of friction is 0.26, the acceleration in m/s² is

(a) 1.95
(b) 2.78
(c) 3.47
(d) 4.6

(b) 2.78


Q22. A gun of mass 1000 kg fires a projectile of mass 1 kg with a horizontal velocity of 100 m/s. The velocity of recoil of the gun in the horizontal direction is

(a) 5 m/s
(b) 0.1 m/s
(c) 15 m/s
(d) 20 m/s

(b) 0.1 m/s

MCQ Questions for Class 11 Physics Multiple Choice Questions with Answers

CBSE RBSE Gujarat Board UP Board Bihar Board MP Board Hariyana Board Panjab Board NCERT Objective MCQ Questions of Class 11 Physics with Answers PDF.

  1. MCQ for Class 11 Physics Chapter 1 Physical World
  2. MCQ for Class 11 Physics Chapter 2 Units and Measurements
  3. MCQ for Class 11 Physics Chapter 3 Motion in a Straight Line
  4. MCQ for Class 11 Physics Chapter 4 Motion in a Plane
  5. MCQ for Class 11 Physics Chapter 5 Laws of Motion
  6. MCQ for Class 11 Physics Chapter 6 Work, Energy and Power
  7. MCQ for Class 11 Physics Chapter 7 System of Particles and Rotational Motion
  8. MCQ for Class 11 Physics Chapter 8 Gravitation
  9. MCQ for Class 11 Physics Chapter 9 Mechanical Properties of Solids
  10. MCQ for Class 11 Physics Chapter 10 Mechanical Properties of Fluids
  11. MCQ for Class 11 Physics Chapter 11 Thermal Properties of Matter
  12. MCQ for Class 11 Physics Chapter 12 Thermodynamics
  13. MCQ for Class 11 Physics Chapter 13 Kinetic Theory
  14. MCQ for Class 11 Physics Chapter 14 Oscillations
  15. MCQ for Class 11 Physics Chapter 15 Waves

NCERT MCQ Questions for Class 11 Chemistry with Answers
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