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9th Class Physics Chapter 3 Online Preparation
9th Class English Medium Subjects
9th Class Urdu Medium Subjects
Online Short Questions For Chapter 3 "9th Class Physics English Medium Chapter 3 Preparation "
Try The Short Questions For 9th Class Physics English Medium Chapter 3 Preparation
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Total Questions10
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Available Sets3
Physics (New Book) - 9th Class Physics English Medium Chapter 3 Preparation
Question # 1
Difference between Mass and Weight
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Ans 1: Mass:-
amount of matter in an object is called mass
Mas is a scalar quantity
Mass does not depend on location it is remain constant every where
Unit of mass is kg
Mass is measured by an ordinary balance. -
Ans 2: Weight:
Weight is a force with which the earth attracts the body towards its centre.
Weight is vector quantity
Weigh is depends on location -It is different at different height
Unit of weights Newton
Weight is measured by spring balance.
9th Class Physics English Medium Chapter 3 Preparation - Set 1
Question # 1
Difference between Mass and Weight
-
Ans 1: Mass:-
amount of matter in an object is called mass
Mas is a scalar quantity
Mass does not depend on location it is remain constant every where
Unit of mass is kg
Mass is measured by an ordinary balance. -
Ans 2: Weight:
Weight is a force with which the earth attracts the body towards its centre.
Weight is vector quantity
Weigh is depends on location -It is different at different height
Unit of weights Newton
Weight is measured by spring balance.
9th Class Physics English Medium Chapter 3 Preparation - Set 2
Question # 1
Defien friction
- Ans 1: Friction is the force the resists motion when the surface of one object comes in contact, with the surface of another.
9th Class Physics English Medium Chapter 3 Preparation - Set 3
Question # 1
Why don't human boes normally wear out, even after many years of use.
- Ans 1: Friction in human joints is very low because our bodies contain a natural lubricationg system. As a result, even though our bones rub against each other at the joints when we mvoe, they do not normally wear out.
