Question

Why is it difficult for a firefighter to hold a hose that ejects large quantities of water at high speed?

Solution

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Answered 1 year ago
Answered 1 year ago

A hose that ejects large quantities of water at high speed has a high momentum. According to newton's law of action-reaction, the water exiting from the hose will provide a force against the hose in the opposite direction. In other words, the hose would recoil. To prevent the hose from recoiling, a firefighter must exert a similar amount of force.

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