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While extinguishing fire, the fireman has hold the hose pipe very strongly. This is because as water rushes out at a great speedA. the hose pipe tends to move backward due to strong force of reactionB. the hose pipe exerts huge pressure in the forward directionC. either (a) and (b)D. neither (a) or (b). |
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Answer» Correct Answer - A The hose pipe has be held strongly as it tends to move backward due to strong force of reaction. |
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