The inertia constant of the two machines which are not swinging together are M1 and M2. The equivalent inertia constant of the system is

The inertia constant of the two machines which are not swinging togeth

1.	The inertia constant of the two machines which are not swinging together are M1 and M2. The equivalent inertia constant of the system is
A.	M1 M2
B.	M1-M2
C.	M1M2/(M1-M2)
D.	M1M2/(M1 M2)
Answer» C. M1M2/(M1-M2)