Question

Iron sinks in water, wood floats in water. If we tie an iron piece to wood piece of the same volume, brittle and drop it in water, would bundle sink or float? Make a guess and find out whether your guess is correct or wrong with an experiment. Give reasons.

Answer 1

The body sinks in water. 

Reason : 

The combined mass of the system increases, so the combined density also increases. Hence the body sinks in water.