Physics
Explain why an iron nail floats on mercury, but it sinks in water.
[Hint: Density of iron is less than that of mercury, but more than that of water]
Related Questions
Figure shows the same block of wood floating in three different liquids A, B and C of densities ρ1, ρ2, and ρ3 respectively. Which liquid has the highest density? Give reason for your answer.
What is center of buoyancy? State it's position for a floating body with respect to the centre of gravity of body.
A homogenous block floats on water (a) partly immersed (b) completely immersed. In each case state the position of centre of buoyancy B with respect to the centre of gravity G of the block.
A solid iron ball of mass 500 g is dropped in mercury contained in a beaker. (a) Will the ball float or sink? Give reason. (b) What will be the apparent weight of ball? Give reason.