Elasticity Of Solids: Our universe is composed of matter and radiant energy. Matter is defined as anything which occupies space and possesses weight. We know that matter is made up of tiny particles referred to as molecules. The molecules have very small mass and, thus, cannot be seen. The molecules of different substances have different molecular masses. As a matter of fact, there is a gap between the molecules and there are attractive forces between the molecules. Matter exists in three states namely solid, liquid and gaseous. The forces of attraction between the molecules of a solid, liquid and gas … Continue reading Elasticity Of Solids