question_answer

Father has mass 60 kg and the mass of his son is 30 kg. The ratio of the inertia of the father to his child is

A) 1:1                                           

B) 1:2

C) 2:1                

D) 1:3

Correct Answer: C

Solution :

[c] Inertia of body is directly proportional to the mass of the body.