A wooden block contains some nails so that its density is exactly equal to that of water.If it is placed in a tank of water and released from rest when it is completely submerged,it will
A)rise to the surface.
B)sink to the bottom.
C)remain where it is released.

Question

Quizplus · Accepted Answer

Since the density of the wooden block is equal to that of water, it will not experience any buoyant force and hence will not rise to the surface or sink to the bottom. It will remain where it is released, in equilibrium with the surrounding water.

A Wooden Block Contains Some Nails So That Its Density