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Class- Ah, Chapter-11, ,Tobie- force, workand ineou, Date - 24-1-22-, stious, D- Answer the following questions-, 1)- How does force help us ?, Ans - Force heles us in, in many ways:-, resting object., 0b., force, can, move, force, Forle can, stop, a moving obgect., can, change of moving obyectf, the direction, gravitational force ?, that bulls an, of, (2)-What is, And- The force, centre, object towaseds the, Earth is called gravitation al, the, forre., (3)-, What is wheel, and Axle?, Ans, wheel and Axle, is made ub of a, wheel through, centre of which, a lod basses called Axie, d Axle, the, (4), An, How, do we, bully?, 11, Use, a, Pully made up of grooved wheels and rope used to, yaise,, lower, or, a load., move, Example It is used to dseaw w ater from the well., (5)- Name the different sources of energy?, Ans, O Sun, wind, D Water, O fuel O Easrth., (6)-, what are different, forms, of energy?, forms of ener gy, Mechanical energy, O energy, Any, Chemical Energy Heat Energy, Megnetic snurgg@, shag1 D s, Sound Energ, REDMI NOTE 9 PRO, SHOT BY RANJEET