The lake problem
Classical Mechanics
Level
2
A man is in a boat full of stones in a lake. He starts throwing stones into the lake. What happens to the level of water in the lake?
Decreases
Remains same
Increases
Cannot be predicted
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
Boat is a machine which develops more buoyant force than its weight . That is why a substance like a stone does not make a boat sink . So when u drop a stone the buoyant force decreases more as compared to the weight of the stone , so the level decreases.