Why does a block of wood held underwater rise to the surface when released?
Q. (a) Why does a block of wood held underwater rise to the surface when released?
(b) An object of weight 200 N is floating in a liquid. What is the magnitude of buoyant force acting on it?
Ans. (a) The buoyant force acting on the block of wood is more than its weight.
(b) Buoyant force = 200 N.
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