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Class 8, Physics We shall study about Lightning and Earthquake in detail Lightning Lightning occurs because of the massive electric charge flowing from clouds, from one part of cloud to another or from a cloud to ground. Electrostatic Force: Rubbing a comb against dry hair / rubbing a balloon against…
Define Friction?? What are the Causes of Friction?? Write a short note on Spring Balance?? Working Principle: List the various types of Friction?? There are Three types of friction Static friction: The opposing force that comes when one object tends to move over the surface of another but the actual…
Class 8 Physics Chemistry Biology