9th Class Physics Chapter 3 online Short Questions preparation with Answers

9th Class Physics Chapter 3 Online Preparation

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Online Short Questions For Chapter 3 "9th Class Physics English Medium Chapter 3 Preparation "

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Physics (New Book) - 9th Class Physics English Medium Chapter 3 Preparation

Question # 1

Define inertia. Describe two of inertia.

Ans 1: Inertia of a body is its property due to which it resists any change in its state of rest on motion.
Example 1:
Take a glass cover it with a piece of cardboard. Now kick the card horizontally with a Jerk of your finger. The coin does not move with the cardbeardwith the inertia and falls in to the glass
Example 2:
Cut a strip of paper, place it on the table. Stack a few coins at its on end. Stack a few coins at its an end pull out the paperstrip under the coins with a jerk we will succeed in pulling out the paper strip under the stacked coinwithout letting them to fall.

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Prepare Complete Set Wise Questions For Chapter 3 "9th Class Physics English Medium Chapter 3 Preparation "

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Set 3

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Set 4

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Set 5

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9th Class Physics English Medium Chapter 3 Preparation - Set 1

Question # 1

Define inertia. Describe two of inertia.

Ans 1: Inertia of a body is its property due to which it resists any change in its state of rest on motion.
Example 1:
Take a glass cover it with a piece of cardboard. Now kick the card horizontally with a Jerk of your finger. The coin does not move with the cardbeardwith the inertia and falls in to the glass
Example 2:
Cut a strip of paper, place it on the table. Stack a few coins at its on end. Stack a few coins at its an end pull out the paperstrip under the coins with a jerk we will succeed in pulling out the paper strip under the stacked coinwithout letting them to fall.

Submit

9th Class Physics English Medium Chapter 3 Preparation - Set 2

Question # 1

Define weight and write its unit

Ans 1: Weight: Weight of a body is due to the force of gravity acted on it weight of body is eual to the force with which Earth attract it.
Ans 2: Symbol: Weight is denoted by W. Weight is a vector quantity
Ans 3: Unit The SI unit of weight is newton (N)

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9th Class Physics English Medium Chapter 3 Preparation - Set 3

Question # 1

What is action in above example

Ans 1: Action is weight of book acting downward on the table.

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9th Class Physics English Medium Chapter 3 Preparation - Set 4

Question # 1

State the principle of motion of Rocket

Ans 1: A rocket moves on the principle of newton's third law of motion When its fuel burns hopt gases escape out from its tail with a very high speed The reaction of these gases on the rocket causes it to move opposite to the gases rushing out of it to move opposite to the gasses rushing out of its tail.

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9th Class Physics English Medium Chapter 3 Preparation - Set 5

Question # 1

Describe two situations in which force of friction is needed

Ans 1: We cannot rite without friction between paper and the pencil
We cannot walk without friction Friction enables us to walk on the ground.

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9th Class Physics English Medium Chapter 3 Preparation - Set 6

Question # 1

State newton's third law of motion.

Ans 1: To every action there is alwasys an equal but opposite reaction e.g. a launching of rocket.

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9th Class Physics English Medium Chapter 3 Preparation - Set 7

Question # 1

Define net force.

Ans 1: Net force is the resultant of all forces acting on a body.

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9th Class Physics English Medium Chapter 3 Preparation - Set 8

Question # 1

Is there a reaction in above example

Ans 1: Yes there is reaction and its direction is in upward direction

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9th Class Physics English Medium Chapter 3 Preparation - Set 9

Question # 1

What is meant by sliding friction.

Ans 1: When two bodies slid over one another, the force of friction between them is known as sliding friction.

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9th Class Physics English Medium Chapter 3 Preparation - Set 10

Question # 1

State Newton first law of motion

Ans 1: A body continues its state of rest or of uniform motion in a straight line unless acted upon by a net force.

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Physics

3rd Unit

9th class Physics Chapter 3 (English Medium)

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Matric Part 1/9th Class Physics Chapter 3 Short Question Test With Answer for Unit 3 Dynamics

9th Class English Medium Subjects

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Online Short Questions For Chapter 3 "9th Class Physics English Medium Chapter 3 Preparation "

Physics (New Book) - 9th Class Physics English Medium Chapter 3 Preparation

Define inertia. Describe two of inertia.

Write two ways to reduce friction

What would happen if all friction disappears

Define friction and write equation.

Define Coefficient offriction, cream separator, banking of road?

State Newton first law of motion

When a gun is fired, it recoils.

Difference between Mass and Weight?

Why is it dangerous to travel on the roof of a bus.

How does oiling the moving parts of a machine lower friction

Prepare Complete Set Wise Questions For Chapter 3 "9th Class Physics English Medium Chapter 3 Preparation "

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

9th Class Physics English Medium Chapter 3 Preparation - Set 1

Define inertia. Describe two of inertia.

Write two ways to reduce friction

What would happen if all friction disappears

Define friction and write equation.

Define Coefficient offriction, cream separator, banking of road?

State Newton first law of motion

When a gun is fired, it recoils.

Difference between Mass and Weight?

Why is it dangerous to travel on the roof of a bus.

How does oiling the moving parts of a machine lower friction

9th Class Physics English Medium Chapter 3 Preparation - Set 2

Define weight and write its unit

What are the factor on which friction depends?

How does oiling the moving parts of a machine low as friction

What is force

Calculate the value of force acting on a body of mass 4kg and produces and acceleration of 2ms

A horse pushes the cart. If the action and reaction are equal and opposites,then how does the cart move?

What is the advantage of bankingof road?

Define Banking of roads.

Action and reaction are always equal and oposite then how does a body move

Which shoes is better for jugging

9th Class Physics English Medium Chapter 3 Preparation - Set 3

What is action in above example

When a gun is fired it recoils

Why spinner of washing machine is made to spin at very high speed

What is the difference between action and reaction

Difference between sliding friction and Rolling friction.

Define centripetal force and centrifugal force.

What is force

Why the spanner of washing machine is moved fastly

Define sliding friction and rolling friction?

Stretch out your palm and hold a book on it. How much force you neend to prevent the book from falling

9th Class Physics English Medium Chapter 3 Preparation - Set 4

State the principle of motion of Rocket

State Newton Second Law of motion?

State Newton first law of motion

A force of 20N moves a body with an acceleration of 2ms-2What is tits mass?

What is action in above example.

State Newton third law of Motion?

How does oiling the moving parts of a machine lower friction

Define Coefficient offriction, cream separator, banking of road?

What is meant by limiting friction

Describe braking and skidding

9th Class Physics English Medium Chapter 3 Preparation - Set 5

Describe two situations in which force of friction is needed

What are the factor on which friction depends?

A force of 20N moves a body with an acceleration of 2ms-²What is tits mass?