Question

Explain, why is it difficult for a
fireman to hold a hose, which
ejects large amounts of water at a high velocity.
​

Answer 1

Answer:

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.

Explanation:

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Answer 2

Cause of the given observation:-

For extinguishing fire,a fireman directs a powerful stream of water towards fire.This powerful stream of water is action.This reaction is on hosepipe,which if not held up tightly,will move in a direction opposite to the flow of water.

Thus,it is difficult for a fireman to hold a hose,which ejects a large amount of water with high velocity.

Scientific phenomenon involved:-

Newton's 3rd law of motion-----

'For every action,there is an equal and opposite reaction'.