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Dynamics:

The most interesting and important Subject Physics of 9th Class Chapter-03. Student want to know the important Questions and  physics notes for 9th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

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Dynamics Physics Chap#03, 9th Class

Physics Ch-03, 9th

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1 / 70

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

2 / 70

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

3 / 70

The law of motion is also known as law of ___________

4 / 70

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

5 / 70

Rate of change of momentum is equal to__________

6 / 70

A spider web remains intact due to____________

7 / 70

Weight of the body is measured by_______

8 / 70

Quantity of motion in a body is known as____________

9 / 70

Which of the following is the unit of momentum?

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

(Which Option is Correct ?)

10 / 70

Value of coefficient of friction depends upon___________

11 / 70

Friction of liquids is _____________ than friction of solids.

12 / 70

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

13 / 70

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

14 / 70

ST unit of Momentum is_______________

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

Which Option is Correct?

15 / 70

Motion of the rocket is an example of________

16 / 70

__________ of a body remains same everywhere.

17 / 70

_______ of a body is the direct measure of inertia.

18 / 70

The law of motion is also known as law of ___________

19 / 70

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

20 / 70

SI unit of force is ______________

21 / 70

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

22 / 70

Law of inertia is actually the _________ law of motion.

23 / 70

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

24 / 70

Rolling friction is ______________ than Sliding friction.

25 / 70

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

26 / 70

Laws of Motion was presented by______

27 / 70

Momentum of a moving body depends upon its___________

28 / 70

Quantity of matter in a body is called _______

29 / 70

Mass is a __________ quantity

30 / 70

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

31 / 70

Product of mass and velocity is known as___________

32 / 70

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

33 / 70

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

34 / 70

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

35 / 70

1-N = _________

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

(which is Correct Option ?)

36 / 70

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

37 / 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

38 / 70

_________ of a body does not remain same everywhere.

39 / 70

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

40 / 70

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

41 / 70

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

42 / 70

The coefficient of friction has ____________ unit.

43 / 70

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

44 / 70

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

45 / 70

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

46 / 70

The mass of a body_________

47 / 70

Weight is a _________ quantity.

48 / 70

Inertia depends upon______________

49 / 70

When horse pulls a cart, the action is on the________

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

52 / 70

The laws of motion are also known as law of __________

53 / 70

Static friction is___________ than kinetic friction.

54 / 70

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

55 / 70

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

56 / 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)

57 / 70

Issac Newton described the laws of motion in his famous book______

58 / 70

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

59 / 70

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

60 / 70

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

61 / 70

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

62 / 70

Unit of weight is ________

63 / 70

Kgms-1 = ____________

64 / 70

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

65 / 70

Mass of the body is measured by___________

66 / 70

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

67 / 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 ?)

68 / 70

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

69 / 70

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

70 / 70

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

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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

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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

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