At which point is the centre of gravity situated in: A circular lamina.
A
At the centre of radius.
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B
At the centre of semi circular lamina.
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C
At the centre of circular lamina.
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D
can not say
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Solution
The correct option is C At the centre of circular lamina. Centre of gravity means a point from which the weight of a body or system may be considered to act. In uniform gravity it is the same as the centre of mass. For regular bodies centre of gravity lies at the centre of the body. Hence this will be at the centre of the circular lamina.