Physics Notes for 9th Class Chapter-03

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Dynamics Physics Chap#03, 9th Class

Physics Ch-03, 9th

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1 / 70

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

2 / 70

Motion of the rocket is an example of________

3 / 70

The laws of motion are also known as law of __________

4 / 70

Kgms-1 = ____________

5 / 70

Inertia depends upon______________

6 / 70

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

7 / 70

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

8 / 70

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

9 / 70

Mass is a __________ quantity

10 / 70

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

11 / 70

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

12 / 70

Issac Newton described the laws of motion in his famous book______

13 / 70

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

14 / 70

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

15 / 70

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

16 / 70

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

17 / 70

ST unit of Momentum is_______________

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

Which Option is Correct?

18 / 70

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

19 / 70

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

20 / 70

Quantity of matter in a body is called _______

21 / 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 ?)

22 / 70

Unit of weight is ________

23 / 70

The law of motion is also known as law of ___________

24 / 70

Rolling friction is ______________ than Sliding friction.

25 / 70

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

26 / 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

27 / 70

Which of the following is the unit of momentum?

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

(Which Option is Correct ?)

28 / 70

Value of coefficient of friction depends upon___________

29 / 70

Rate of change of momentum is equal to__________

30 / 70

The coefficient of friction has ____________ unit.

31 / 70

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

32 / 70

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

33 / 70

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

34 / 70

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

35 / 70

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

36 / 70

Weight of the body is measured by_______

37 / 70

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

38 / 70

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

39 / 70

__________ of a body remains same everywhere.

40 / 70

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

41 / 70

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

42 / 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)

43 / 70

A spider web remains intact due to____________

44 / 70

Quantity of motion in a body is known as____________

45 / 70

Mass of the body is measured by___________

46 / 70

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

47 / 70

Friction of liquids is _____________ than friction of solids.

48 / 70

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

49 / 70

_________ of a body does not remain same everywhere.

50 / 70

Weight is a _________ quantity.

51 / 70

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

52 / 70

Laws of Motion was presented by______

53 / 70

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

54 / 70

Momentum of a moving body depends upon its___________

55 / 70

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

56 / 70

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

57 / 70

Static friction is___________ than kinetic friction.

58 / 70

1-N = _________

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

(which is Correct Option ?)

59 / 70

Product of mass and velocity is known as___________

60 / 70

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

61 / 70

Law of inertia is actually the _________ law of motion.

62 / 70

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

63 / 70

The law of motion is also known as law of ___________

64 / 70

_______ of a body is the direct measure of inertia.

65 / 70

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

66 / 70

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

67 / 70

The mass of a body_________

68 / 70

SI unit of force is ______________

69 / 70

When horse pulls a cart, the action is on the________

70 / 70

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

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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