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Page, Title, No. Sign/Remar, Serial, Date, CH-I ROCKS AND, 19 MINERALS., 1., 2., CH-2. S01L, 3 18/1|21 CH-3 STATES OF, MATTERS-HOT-8, 4 25 1/21 CH-4 MOREhan, ABOUT FORCE, ENERGY, 1-ANDA SIMALE MACHINES --, MSTAY2, JAJH

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DATE, PAGE NO, CHAPTER- 4, MORE ABOUT FORCE, ENERGY, AND SIMPLE MACHINES

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DATE, PAGE NO:

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DATE, PAGE NO, OL Define force. What are the, effects of force ?, A push or pull acting on a, body is called a force, The effects of force are =, 1 force change the state of, rest to the state of motion in, an object and vice versa, 2 force change the direction of, motion of a movinq object, and, atso change the spred of a, moving dbject, 3 force change the shape of om object, 4 force change the size of an, object, Ans., A

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DATE:, PAGE NO.:, 02 Differentiate betoeen, gravitational force and frictional, force., Ans, The force which pulls an, object with its mass towards, the ground is called gravitational, force cohere as, frictional force, acts in the cirection opposite, to the one in which the object, is moving