what is machine? what is lever? what is fulcrum? what is effort?what is load?what is pulley?
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Answer:
a machine is something that makes our work easier . there are many machines like lever, pulley ,screw wheel and axle, wedge and inclined plane
Explanation:
lever has three parts load fulcrum and effort
fulcrum it is the on which the axle moves
effort it is the force applied by our body
load is a thing which we try to lift up
a pulley has two types single movable pulley and single fixed pulley
puli always has and we around which a rope is moving
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