Question

Give reason: it is difficult to a fire man to hold a hose which eject a large amount of water

Answer 1

because high pressure is created inside the hose which eject large amount of water hence he can't hold the house.. I hope My answer will help u .

Answer 2

because when a fire man eject a large amount of water by hose pipe . Water comes out of pipe in high force and pressure. Now according to Newton's first law we know that f1 = f2. So fire man also recieves a equal force which is not bearable and so he has to hold the hose tightly.