explain why it is difficult for a fireman to hold a hose which ejects large amount of water at a high velocity ..
NCERT SCIENCE TEXT BOOK CLASS 9 CH 9 FORCE AND LAWS OF MOTION
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When large amount of water is ejected from a hose at a high velocity, according to Newton's Third Law of Motion, water pushes the hose in backward direction with the same force. Therefore, it is difficult for a fireman to hold a hose in which ejects large amount of water at a high velocity.
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