Question

Mass is best given by _______

(a) Product of volume and density

(b) Ratio of mass to density

(c) Addition of mass and density

(d) Subtraction of mass and density

I got this question by my school principal while I was bunking the class.

My doubt is from Centre of Mass topic in portion Centre of Gravity and Centroid of Engineering Mechanics

Answer 1

The correct answer is (b) Ratio of mass to density

For explanation I would say: The density is the ration of the mass to the volume of the body. Thus arranging them and the volume is said to be as ratio of mass to density. This equation is generally used in the calculations of the centroid of the body or the centre of mass.