SaraNextGen.Com

Three rods each of length  and mass  are placed along  and  axes in such a way that one end of each of the rod is at the origin. The moment of inertia of this system about  axis is

a)

b)

c)

d)



Question ID - 53891 | SaraNextGen Top Answer

Three rods each of length  and mass  are placed along  and  axes in such a way that one end of each of the rod is at the origin. The moment of inertia of this system about  axis is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

M.I. of rod (1) about  axis,

M.I. of rod (2) about  axis,

M.I. of rod (3) about  axis,

Because this rod lies on -axis

 

127 votes


127