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krishna koushik pakala
5 Points
11 years ago

It is calculated as the root mean square distance of the smallest parts of the object from either its center of gravity or a given axis.

Salim Shamim
37 Points
11 years ago

it is the root mean square distance of the objects'' parts from either its center of gravity or a given axis.

RG=[I/m]1/2

where

I=> Moment of inertia.

m=> Mass of object.

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Vivek Joshi
20 Points
11 years ago

Radius of Gyration is the distance of a point from the axis of the centre where the whole mass of the body can be concentrated and the Moment if Inertia of the point is same as that of the original body.

Radius of Gyration, "G" is given by:

G=(I/M)1/2  where "I" is moment of Inertia and "M" is mass.

33 Points
11 years ago

but what is its theory?
what is it actually used for?

Salim Shamim
37 Points
11 years ago

For a planar distribution of mass rotating about some axis in the plane of the mass, the radius of gyration is the distance from the axis that all mass can be concentrated to obtain the same mass MOMENT OF INERTIA.

AND ITS APPLICATIONS CAN BE UNDERSTOOD IN HIGHER ENGINEERING PHYSICS.

EG. STRUCTURAL ENGINEERING, MECHANICS AND IT HAS MOLECULAR APLLICATIONS TO DESCRIBE THE DIMENSIONS OF POLYMER CHAIN.