how to calculate centre of mass of an object by integration method?
Asked by | 8th Nov, 2009, 11:52: AM
Let's say we want to calculate Xcm , and using integration method it'll be given by,
Xcm = (xλ(x)dx)/(λ(x)dx)
where λ(x) is the linear mass density which depends upon x coordinate only and it's units are kg/m,
dx = small length element at a distance x m from origin.
The integration is definite and the limits for x are x = 0 to x = L.
In the same manner it can be extended to two or three dimentional objects but the integration changes to area i.e. double integration and volume i.e. triple integration respectively.
Answered by | 8th Nov, 2009, 03:00: PM
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