Physics English Medium 9th Class Chapter 4 Turning Effect of Forces Short Question with Answers

9th Class Physics Chapter 4 Online Preparation

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Online Short Questions For Chapter 4 "9th Class Physics English Medium Chapter 4 Preparation "

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Total Questions10
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Physics (New Book) - 9th Class Physics English Medium Chapter 4 Preparation

Question # 1

Define and explain couple.

Ans 1: Couple: When two equal an dopposite parallel forces act at two different points of the same body, they form a couple.
Explain: The two forces are equa in magnitude but opposite in direction, Beacus they are applied at diffferent points, they produce a turning effect on the object.
Example from Daily life:
Opning or closing a water tap
Turning a key in a lock
Opening the lid of a jar
Turning the steering wheel of a motor car.

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Prepare Complete Set Wise Questions For Chapter 4 "9th Class Physics English Medium Chapter 4 Preparation "

Set 1

10 Questions
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Set 2

10 Questions
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Set 3

10 Questions
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9th Class Physics English Medium Chapter 4 Preparation - Set 1

Question # 1

Define and explain couple.

Ans 1: Couple: When two equal an dopposite parallel forces act at two different points of the same body, they form a couple.
Explain: The two forces are equa in magnitude but opposite in direction, Beacus they are applied at diffferent points, they produce a turning effect on the object.
Example from Daily life:
Opning or closing a water tap
Turning a key in a lock
Opening the lid of a jar
Turning the steering wheel of a motor car.

Submit

9th Class Physics English Medium Chapter 4 Preparation - Set 2

Question # 1

How is the stability of a racing car ehnaces.

Ans 1: The stability of a racing car is enhanced by keeping its center of mass as low as possible and increasing its base area by positioning the wheels uotside of its main body.

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

Question # 1

Which provides the centripetal force for a stone being whirled on a string.

Ans 1: The tension in the string provides the necessary ecntripetal force to keep the stone moving in its cricular path

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9th class Physics Chapter 4 (English Medium)

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Matric Part 1/9th Class Physics Chapter 4 Short Question Test With Answer for Unit 4 Turning Effect of Forces

9th Class English Medium Subjects

9th Class Urdu Medium Subjects

Online Short Questions For Chapter 4 "9th Class Physics English Medium Chapter 4 Preparation "

Physics (New Book) - 9th Class Physics English Medium Chapter 4 Preparation

Define and explain couple.

What is the line of action of a forces.

Define centre of mass.

How dows a tight rope walker balane himself.

What is stable equilibrium.

Define like parallel forces.

Can a body rotae about its own axis if line of action of force pass through axis of rotation.

Write a common application of torque.

Which provides the centripetal force for a stone being whirled on a string.

How vector forces can be added.

Prepare Complete Set Wise Questions For Chapter 4 "9th Class Physics English Medium Chapter 4 Preparation "

Set 1

Set 2

Set 3

9th Class Physics English Medium Chapter 4 Preparation - Set 1

Define and explain couple.

What is the line of action of a forces.

Define centre of mass.

How dows a tight rope walker balane himself.

What is stable equilibrium.

Define like parallel forces.

Can a body rotae about its own axis if line of action of force pass through axis of rotation.

Write a common application of torque.

Which provides the centripetal force for a stone being whirled on a string.

How vector forces can be added.

9th Class Physics English Medium Chapter 4 Preparation - Set 2

How is the stability of a racing car ehnaces.

Why are door handles installed far from the hinges.

Define Center of Mass

Why do tightrope walkers carry a long, narrow rod.

How vector forces can be added.

What are rectangular comonetns of a vector and their values.

Which provides the centripetal force for a stone being whirled on a string.

Define and explain couple.

Define Centre of Gravity.

Define centre of mass.

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

Which provides the centripetal force for a stone being whirled on a string.

How is the stability of a racing car ehnaces.

What are rectangular comonetns of a vector and their values.

Define Centre of Gravity

Define Center of Mass

How dows the moment of force apply to the working of a bottle opener.

Define and explain couple.

Why are door handles installed far from the hinges.

How dows a tight rope walker balane himself.

Define centre of mass.

9th class Physics Chapter 4 (English Medium)

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