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The figure shows a uniform rod lying along the -axis. The locus of all the points lying on the  plane, about which the moment of inertia of the rod is same as that , is

a)

Anellipse

b)

A circle

c)

A parabola

d)

A straight line



Question ID - 100196 | SaraNextGen Top Answer

The figure shows a uniform rod lying along the -axis. The locus of all the points lying on the  plane, about which the moment of inertia of the rod is same as that , is

a)

Anellipse

b)

A circle

c)

A parabola

d)

A straight line

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

(b)

Let us take any point  on  plane. The MI of the rod about  is

Hence ,

MI of the rod about

Applying  we get an equation of a circle

127 votes


127