Force and pressure

Pressure exerted by gases

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal Leave a Comment

Question 1 Why makes a balloon get inflated when air is filled in it? Question 2 Why a bicycle tube get inflated when air is filled in it? All the gases exert pressure on the walls of the container. 1)Air is a mixture of gases. 2)All the gases are made up of tiny particles called molecules which move around quickly in all directions. 3)The fast moving gas … [Read more...] about Pressure exerted by gases

Applications of atmospheric pressure

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 17 Comments

Question 1What type of pressure is involved in the filling of a liquid in a syringe? Question 2 What is a rubber sucker? Question 3 How does a rubber sucker works? Question 4 State few uses of rubber sucker? Question 5 How does a syringe work? Question 6 What is a syringe? Question 7 How does a dropper work? Question 8 What is a dropper? 1)Drinking straw … [Read more...] about Applications of atmospheric pressure

Pressure exerted by liquids

Last Updated on May 29, 2019 By Mrs Shilpi Nagpal 20 Comments

Question 1 How does the pressure of a liquid depends on its depth.Explain? Question 2 What conclusion do you get from the observation that a fountain of water is created at the leaking joint of pipes of the main water supply line? Question 3 Liquids exert pressure on the wall of contain.Explain? Question 4 Liquid exert pressure on the bottom of the … [Read more...] about Pressure exerted by liquids

Atmospheric Pressure

Last Updated on May 4, 2020 By Mrs Shilpi Nagpal 3 Comments

Question 1 Define the term atmosphere? Question 2 What is atmospheric pressure? Question 3 What is the SI unit of atmospheric pressure? Question 4 What substance present in our body to balances the atmospheric pressure acting on us? Question 5 Where will be the atmospheric pressure be greater-at ground level or at the top of high mountain? Question 6 Name the … [Read more...] about Atmospheric Pressure

Pressure

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 1 Comment

Question 1 What is pressure? Question 2 Define the SI unit of pressure? Question 3 Why does a sharp knife cut objects more effectively than a blunt knife? Question 4 Why wooden sleepers are kept below the railway line? Question 5 Why a wide steel belt is provided over the wheels of an army tank? Question 6 Why the tip of a sweing needle is sharp? Question 7 … [Read more...] about Pressure