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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
Define centripetal force.
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Ans 1: We have studies above that an object can move in a cricular path with uniform speed only if a force perpendicular to its velocity is acting constantly on it. This force is always directed towrds the centre of the circle. It is called centripetal force and can be defined as.
"The force that causes an object to move in a circle at constant speed is called the centripetal force."
9th Class Physics English Medium Chapter 4 Preparation - Set 1
Question # 1
Define centripetal force.
-
Ans 1: We have studies above that an object can move in a cricular path with uniform speed only if a force perpendicular to its velocity is acting constantly on it. This force is always directed towrds the centre of the circle. It is called centripetal force and can be defined as.
"The force that causes an object to move in a circle at constant speed is called the centripetal force."
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.
9th Class Physics English Medium Chapter 4 Preparation - Set 3
Question # 1
Define Center of Mass
- Ans 1: Center of Mass: The center of mass of a body is that point where teh whole mass of the body is assumed to be concentrated A force applied at such a point in the body does not produe any torque in it.
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.
