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A circular plate of diameter a is kept in contact with a square plate of edge a as shown in figure. The density of the material and the thickness are same everywhere. The centre of mass of the composite system will be

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a
inside the circular plate
b
inside the square plate
c
at the point of contact
d
outside the system

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detailed solution

Correct option is B

Area of circle, A1=π4a2 and area of square A2=a2. Since, A2>A1, so centre of mass will lie inside the square plate.

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