explain,why is it difficult for a fireman to hold a hose pipe which ejects large amount of water at a high speed?
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Liquids. Liquids can flowbecause their particles canmove over each other. When water is poured into a glass, theparticles of water move over each other and into the corners of the glass. The particles keep on moving over each other as the water takes the shape of the glass.
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By Newton's Third Law, the force at which the water is forced out of the hose has to equal the force which the water pushes back.
To stop the hose from moving, the firefighter has to supply his own force on the hose and thus the firefighter must exert a large quantity of force to counter the hose's recoil.
By Newton's Third Law, the force at which the water is forced out of the hose has to equal the force which the water pushes back.
To stop the hose from moving, the firefighter has to supply his own force on the hose and thus the firefighter must exert a large quantity of force to counter the hose's recoil.
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