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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Total Questions10
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Physics (New Book) - 9th Class Physics English Medium Chapter 3 Preparation

Question # 1

Difference between sliding friction and Rolling friction.

Ans 1: Sliding friction: In sliding friction the surface of a body moves by sliding against the surface of another body.
Ans 2: Rolling friction: Rolling friction is the force of friction between a rolling body and a surface over Which rolls.

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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 2

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Set 3

10 Questions
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Set 4

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Set 5

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Set 6

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Set 7

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Set 8

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Set 9

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Set 10

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

Question # 1

Difference between sliding friction and Rolling friction.

Ans 1: Sliding friction: In sliding friction the surface of a body moves by sliding against the surface of another body.
Ans 2: Rolling friction: Rolling friction is the force of friction between a rolling body and a surface over Which rolls.

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

Question # 1

Define Banking of roads.

Ans 1: Banking of a road means that the outer edge of a road is raised. Outer edge of the curved road is elevated to prevent skidding.

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

Question # 1

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

Ans 1: mass=m=4kg
Acceleration=a=2ms
Force=F=?

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

Question # 1

Difference between Mass or Weight.

Ans 1: Mass: i. Mass of a body is the quantity of matte possessed by the body 2. It is a scalar quantity 3. It is measured by using a common balance. 4. It remains same every where. 5. The SI unit of mass is kilogram 6. It is base quantity.
Ans 2: Weight: i. Weight of a body is the force of gravity acting on it. 2. It is a vector quantity. 3. It is measured by using a spring balance 4. It varies depending upon acceleration due to gravity g. 5. the SI unit of weight is newton 6. It is a derived quantity.

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

Question # 1

Define Cream separator:

Ans 1: Most modern plants use a separator to control the fat contents of various product. A seperator is a high-speed spinner. It acts on the same principle of centrifuge machines.

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

Question # 1

Define Braking force.

Ans 1: When we drive a car on a road and we suddenly apply a brake on a wheel of our car. it will stop is called braking.

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

Question # 1

What will be the tension in a ropethat is pull from its ends by two opposite forces 100N?

Ans 1: The tension in a rope that is pulledfrom its ends by two opposite forces 100N each will be 100 N

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

Question # 1

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

Ans 1: Because force are acting at opposite direction, therefore the net tension is 100N

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

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 10

Question # 1

Why is the law of conservation of momentum important

Ans 1: Rockets and jet engines also work on the same principle. With the help of law of conservation of momentum it is possible to calculate force, velocity, acceleration of a body. Many elementary particles are discovered by using law of conservation of momentum.

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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

Difference between sliding friction and Rolling friction.

State Newton third law of Motion?

State Newton Second Law of motion?

To weight of a body 147N. What its mass

Define Newton's second law.

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

Write two ways to reduce friction

What is action in above example.

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

Which shoes is better for jugging

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

Difference between sliding friction and Rolling friction.

State Newton third law of Motion?

State Newton Second Law of motion?

To weight of a body 147N. What its mass

Define Newton's second law.

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

Write two ways to reduce friction

What is action in above example.

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

Which shoes is better for jugging

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

Define Banking of roads.

Define Coefficient offriction, cream separator, banking of road?

Writer two disadvantages and two disadvantages of friction.

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

Write two ways to reduce friction

Describe ways to reduce friction.

What is force

Define Tension in a string, Braking force Momentum?

What is an Atwood machine

What is meant by centrifugal force.

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

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

Describe ways to reduce friction.

What is the difference between action and reaction

What will be the tension in a ropethat is pull from its ends by two opposite forces 100N?

What is isolated system.

State first law of motion

What is action in above example

What is meant by Force of Limiting Friction symbol

What is an Atwood machine

Write two difference of Mass and Weight.

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

Difference between Mass or Weight.

State first law of motion

Write two method of reducing friction.

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

Define Banking of roads.

Define Momentum.

State Newton Second Law of motion?

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

Define centripetal force and give formula

What is the law of inertia?

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

Define Cream separator:

Define limiting frictions.