Question

Find the position of centre of mass of the uniform lamina shown in the figure. If small dish of radius a/2 is cut from disc of radius radius a. ​

Answer 1

Answer:

Position of centre of mass = -a/6

Explainations:

Area of bigger circle = πa²

given radius of smaller circle = a/2

so,

area = πa²/4

next explaination refer to attachment

Answer 2

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Area of bigger circle = πa²

given radius of smaller circle = a/2

so,

area = πa²/4.

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