Question

A man is sitting in a boat which is floating in a pond. The man drinks some water from the pond. What happens to the water levelin the pond? The water level
(a) remains unchanged
(b) falls
(c) rises
(d) may rise or fall depending on how much water the man drinks
​

Answer 1

Explanation:

The water level remains unchanged

Because the water drink by the man stores in her body increase its mass and water level remains unchanged

Answer 2

Answer:

The water level remains unchanged as:-)

Suppose a man is travelling in a boat in a pond and drinks some amount of water of mass m gram. Due to this weight of man will increase by by m gram.

This increase in weight displace the amount of water in the pond due to which the level of water rise. As the man drinks some amount of water so due to this some amount of water decrease and the water level decreases.

But the increasement of water level due to increasement of mass of boat balances the the amount which is drunk by the man .

So finally the water level neither decrease not increase and it remains unchanged .