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9th Class Physics Chapter 4 Online Preparation
9th Class English Medium Subjects
9th Class Urdu Medium Subjects
Online Short Questions For Chapter 4 "9th Class Physics English Medium Chapter 4 Preparation "
Try The Short Questions For 9th Class Physics English Medium Chapter 4 Preparation
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Total Questions10
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Available Sets3
Physics (New Book) - 9th Class Physics English Medium Chapter 4 Preparation
Question # 1
Why do tightrope walkers carry a long, narrow rod.
- Ans 1: As we know lower the centre of gravity greater will be stabilit in order to lower the center of gravity acrobats hold a long rod in their hands to that the acrobats may remain in stable quilibrium.
9th Class Physics English Medium Chapter 4 Preparation - Set 1
Question # 1
Why do tightrope walkers carry a long, narrow rod.
- Ans 1: As we know lower the centre of gravity greater will be stabilit in order to lower the center of gravity acrobats hold a long rod in their hands to that the acrobats may remain in stable quilibrium.
9th Class Physics English Medium Chapter 4 Preparation - Set 2
Question # 1
Define rigd body.
- Ans 1: If the distance between two points of the body remains the same under the action of a force. It is called a rigid body.
9th Class Physics English Medium Chapter 4 Preparation - Set 3
Question # 1
Define and explain couple.
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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.
9th class Physics Chapter 4 (English Medium)
Here you can prepare 9th Physics Chapter 4 online Short Questions Preparation (Turning Effect of Forces). Click the button for 100% free full Preparation.
