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

When horse pulls a cart, the action is on the________

2 / 70

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

3 / 70

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

4 / 70

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

5 / 70

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

6 / 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 ?)

7 / 70

Kgms-1 = ____________

8 / 70

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

9 / 70

Quantity of matter in a body is called _______

10 / 70

Static friction is___________ than kinetic friction.

11 / 70

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

12 / 70

Rate of change of momentum is equal to__________

13 / 70

Weight is a _________ quantity.

14 / 70

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

15 / 70

Which of the following is the unit of momentum?

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

(Which Option is Correct ?)

16 / 70

The laws of motion are also known as law of __________

17 / 70

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

18 / 70

Mass is a __________ quantity

19 / 70

1-N = _________

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

(which is Correct Option ?)

20 / 70

A spider web remains intact due to____________

21 / 70

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

22 / 70

__________ of a body remains same everywhere.

23 / 70

Mass of the body is measured by___________

24 / 70

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

25 / 70

The mass of a body_________

26 / 70

Momentum of a moving body depends upon its___________

27 / 70

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

28 / 70

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

29 / 70

Laws of Motion was presented by______

30 / 70

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

31 / 70

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

32 / 70

Quantity of motion in a body is known as____________

33 / 70

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

34 / 70

Value of coefficient of friction depends upon___________

35 / 70

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

36 / 70

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

37 / 70

Inertia depends upon______________

38 / 70

_______ of a body is the direct measure of inertia.

39 / 70

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

40 / 70

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

41 / 70

SI unit of force is ______________

42 / 70

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

43 / 70

Law of inertia is actually the _________ law of motion.

44 / 70

ST unit of Momentum is_______________

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

Which Option is Correct?

45 / 70

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

46 / 70

Weight of the body is measured by_______

47 / 70

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

48 / 70

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

49 / 70

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

50 / 70

Product of mass and velocity is known as___________

51 / 70

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

52 / 70

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

53 / 70

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

54 / 70

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

55 / 70

Rolling friction is ______________ than Sliding friction.

56 / 70

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

57 / 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)

58 / 70

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

59 / 70

Unit of weight is ________

60 / 70

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

61 / 70

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

62 / 70

The law of motion is also known as law of ___________

63 / 70

Friction of liquids is _____________ than friction of solids.

64 / 70

Issac Newton described the laws of motion in his famous book______

65 / 70

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

66 / 70

Motion of the rocket is an example of________

67 / 70

The coefficient of friction has ____________ unit.

68 / 70

The law of motion is also known as law of ___________

69 / 70

_________ of a body does not remain same everywhere.

70 / 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

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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