Explain a Fireman holds the hose pipe very tightly when he direct a powerful stream of water on fire
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According to Newton's laws of motion, every action has an equal or opposite reaction. The water coming out of the hose exerts a force in the backward direction towards the fireman. This makes him unstable. Therefore they have to hold the hose tightly.
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When a fireman holds a hose, which is ejecting large amounts of water at a high velocity, then a reaction force is exerted on him by the ejecting water in the backward direction. This is because of Newton’s third law of motion.
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