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

State newton's third law of motion and wite two examples

Ans 1: Newton's third law of motion: To every action there is always an eual but opposite reaction.
Ans 2: Example A book lying on table The weight of book is acting on the table in the downward direction. This is action The reaction of the table acts on the book in the upward direction
Motion of rocket is based upon newton's third law of motion.

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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 5

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

Question # 1

State newton's third law of motion and wite two examples

Ans 1: Newton's third law of motion: To every action there is always an eual but opposite reaction.
Ans 2: Example A book lying on table The weight of book is acting on the table in the downward direction. This is action The reaction of the table acts on the book in the upward direction
Motion of rocket is based upon newton's third law of motion.

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

Question # 1

What is force

Ans 1: Force is a agency which moves or tends to move stop or tends to stop the motion of a body The force can also change the direction of motion of a
Ans 2: Unit: Its unit is newton. (N)
1N = 1kg
Ans 3: Quantity: It is a vector quantity

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

Question # 1

When a gun is fired it recoils

Ans 1: As the gun is fired bullet shoots out of the gun and acquires momentum, To conserve momentum of the system, the gun recoils.

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

Question # 1

Define newton's second law of motion and give equation

Ans 1: Statement: When a net force acts on a body it produces acceleration in the body in the direction of the net force. The magnitude of this acceleration is directly proportional to the net force acting on the body and inversely proportional to its mass
Equation: F=ma

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

Question # 1

State Newton third law of Motion?

Ans 1: To every action there is always an equal but opposite reaction

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

Question # 1

What is the relation between force and momentum

Ans 1: The rate of change of momentum of a body is equal to applied force
Equation: F=p1-p1/t

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

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 8

Question # 1

How can you relate a force with the change of momentum of a body

Ans 1: When a force acts on a body it produces acceleration in the body and it will be equal to the rate of change of momentum of the body.

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

Question # 1

What is Atwood Machine

Ans 1: Atwood machine: Atwood machine is a system consist of two different masses hanging vertically by the ends of a string passing over a pulley
Ans 2: Use This system can be used to find the acceleration g due to gravity by using following equation.

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

Question # 1

What is meant by centrifugal force.

Ans 1: The reaction of centripetal force is called centrifugal force. Fc=mv2/r

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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

State newton's third law of motion and wite two examples

State newton's third law of motion.

Action and reaction are always equal and opposite. Then how does a body moves?

A force of 20n moves a body with an acceleration of 2

What is the law of inertia

What do you know about following

Define centripetal force and centrifugal force.

In which case it is easy for the tireto roll over? Rough ground

Action and reaction are always equal and opposite. Then how does a body moves?

When a gun is fired, it recoils.

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

State newton's third law of motion and wite two examples

State newton's third law of motion.

Action and reaction are always equal and opposite. Then how does a body moves?

A force of 20n moves a body with an acceleration of 2

What is the law of inertia

What do you know about following

Define centripetal force and centrifugal force.

In which case it is easy for the tireto roll over? Rough ground

Action and reaction are always equal and opposite. Then how does a body moves?

When a gun is fired, it recoils.

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

What is force

Why friction opposes motion

Define Newton's second law.

Which shoes is better for jugging

State first law of motion.

Find the acceleration that is produced by 20N force in a mass of 8kg

Difference between Mass and Weight?

Why is it dangerous to travel at the roof of a bus

Define Circular motion:

Define unit of force.

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

When a gun is fired it recoils

What will be the tension in a string that is pulled from its ends by two opposite forces 100N each

Describe braking and skidding

Define weight and write its unit

A horse pushes the cart It the action and reaction are equal and opposite then how does the cart move.

What is the difference between action and reaction

What would happen if all friction disappears

Why the spanner of washing machine is moved fastly

What is force

Find the acceleration that is produced by 20N force in a mass of 8kg

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

Define newton's second law of motion and give equation

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

When a gun is fired, it recoils, Why?

Why is it dangerous o travel on the roof of a bus

What would happen if all friction disappears

Define net force.

What is action in above example.

What is Atwood Machine

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

What is different between

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

State Newton third law of Motion?

What is Atwood Machine

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