Physics Notes for 9th Class Chapter-03

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Here are important MCQs for 9th Class, Physics Chapter # 03

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Dynamics Physics Chap#03, 9th Class

Physics Ch-03, 9th

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1 / 70

The value of weight of a body of constant mass depends on________

2 / 70

The Rotation of water sprinkler is an example of ___________law of motion.

3 / 70

Quantity of motion in a body is known as____________

4 / 70

When an object is in motion then the force of friction is known as _________ friction.

5 / 70

__________ of a body remains same everywhere.

6 / 70

Motion of the rocket is an example of________

7 / 70

When a block is laying on a smooth surface, its weight is balanced by______

8 / 70

The law of motion is also known as law of ___________

9 / 70

The__________ of a body always acting towards the center of the earth.

10 / 70

If force applied on the body is double while keeping the mass constant, then acceleration will be_____

11 / 70

Friction in the human joints is much reduced due to the presence of_________

12 / 70

Momentum of a moving body depends upon its___________

13 / 70

Product of mass and velocity is known as___________

14 / 70

The force with which earth attracts a body towards its center is known as ________

15 / 70

The bodies of masses m1 and m2 attached to the ends of an inextensible string passing over a frictionless pulling such that both move vertically. The acceleration of the bodies is_____

(Which Option is Correct ?)

16 / 70

A spider web remains intact due to____________

17 / 70

Static friction is___________ than kinetic friction.

18 / 70

Which of the following is the unit of momentum?

  1. Nm
  2. kgms-2
  3. Ns
  4. Ns-1

(Which Option is Correct ?)

19 / 70

Value of coefficient of static friction is usually ------------- than coefficient of kinetic friction.

20 / 70

Mass is a __________ quantity

21 / 70

Weight of the body is measured by_______

22 / 70

The characteristic of a body which determines the magnitude of acceleration produced when a certain force act upon it___________

23 / 70

Unit of weight is ________

24 / 70

ST unit of Momentum is_______________

  1. Kgms-2
  2. Ns
  3. Kems-1

Which Option is Correct?

25 / 70

Inertia depends upon______________

26 / 70

Newton’s first law of motion is valid only in the absence of ___________

27 / 70

The mass of a body_________

28 / 70

Which of the following material lowers friction when pushed between metal plates?

29 / 70

When horse pulls a cart, the action is on the________

30 / 70

The laws of motion are also known as law of __________

31 / 70

Issac Newton described the laws of motion in his famous book______

32 / 70

_________ of a body does not remain same everywhere.

33 / 70

The coefficient of friction has ____________ unit.

34 / 70

The rolling friction is about __________ times smaller than sliding friction.

35 / 70

Coefficient of friction does not depend upon the __________ between two surfaces.

36 / 70

Mass of the body is measured by___________

37 / 70

The acceleration produced in a moving body is always in the direction of applied______

38 / 70

When air is released from an inflated balloon, it shoots off is an example of_____

39 / 70

A String is stretched by two equal and opposite forces of 10 N each. The tension in the string is ____

40 / 70

Weight is a _________ quantity.

41 / 70

Walking on road is an example of ________ law of motion.

42 / 70

A boy jumps out of a moving bus. There is a danger for him to fall_________

43 / 70

Friction of liquids is _____________ than friction of solids.

44 / 70

The maximum value of static friction is known as __________ friction.

45 / 70

SI unit of force is ______________

46 / 70

Laws of Motion was presented by______

47 / 70

Sliding friction is commonly converted into Rolling friction by the use of_________

48 / 70

The weight of a body of mass 10kg on earth will be __________

49 / 70

Direction of the rate of change of momentum is in the direction of___________

50 / 70

______ is the agency which changes or tends to change the state of rest or of uniform motion of a body.

51 / 70

The law of motion is also known as law of ___________

52 / 70

Rolling friction is ______________ than Sliding friction.

53 / 70

When a force of 8-Neton is applied on a body of mass 2-kg, then the acceleration produced will be_______

  1. 16ms-2
  2. 4ms-2
  3. 0.4ms-2
  4. 160ms-2

(Which is Correct Option)

54 / 70

When object is at rest, the force of friction is known as_________friction.

55 / 70

Law of inertia is actually the _________ law of motion.

56 / 70

The characteristic of a body due to which it tends to retain its state of rest or of uniform motion is known as______

57 / 70

The front sides of high-speed vehicles, aero-planes and ships are shaped wedge like to reduce_________

58 / 70

There are _____ cases of motion of the body hanging with the help of rope.

59 / 70

The force which resists the motion of one surface on another surface is known as_________

60 / 70

Kgms-1 = ____________

61 / 70

Action and reaction are equal in magnitude but opposite in direction is known as ______ law of motion.

62 / 70

Value of coefficient of friction depends upon___________

63 / 70

_______ of a body is the direct measure of inertia.

64 / 70

1-N = _________

  1. Kgms-2
  2. kgms-1
  3. kgm2s-1
  4. kg2ms-2

(which is Correct Option ?)

65 / 70

When a block is hanging with the help of a rope then weight of the body is balanced by_____

66 / 70

Quantity of matter in a body is called _______

67 / 70

The tension produced when one body moves vertically and the other moves horizontally is __________ as compared to the tension produced when both bodies move vertically

68 / 70

When a force is applied on the body ___________ is produced in the body.

69 / 70

Rate of change of momentum is equal to__________

70 / 70

If mass of the body is doubled while keeping the force constant, then acceleration will be____

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MCQs PHYSICS 9TH CHAPTER # 03

(Download in pdf format)

(Correct Answers has shown at front end of each question)


NUMERICAL PHYSICS 9TH CHAPTER # 03

(Download in pdf format)


LONG QUESTIONS PHYSICS 9TH CHAPTER # 03

(Download in pdf format)


TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER # 03

(Download in pdf format)


 

Physics Notes, Numerical for Class 9th

If your are talking about the Study material of Class 9th Physics Notes chapter-03, Physics Notes for 9th Class Chapter-03, eStudent.pk is providing same helpful content against each chapter of Physics Class 9 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 9th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

Chapter-01 – Physical Quantities and Measurements

Chapter-02 -Kinematics

Chapter-03 – Dynamics

Chapter-04 – Turning Effect of Forces

Chapter-05 – Gravitation

Chapter-06 – Work and Energy

Chapter-07 – Properties of Matter

Chapter-08 – Thermal Properties of Matter

Chapter-09 – Transfer of Heat

Pairing Scheme for 2021 – Physics 9th Class