Physics
State a factor on which the position of centre of gravity of a body depend? Explain your answer with an example.
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Answer
The position of the centre of gravity of any body will depend on the type of shape it has i.e. (on the distribution of mass on the body) in it. It changes if the shape of the body is deformed.
For example, the centre of gravity of a wire is a its mid point. However, if the wire is turned in a way that it makes a circle then its centre of gravity will be at the centre of the circle.
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Related Questions
State whether the following statements are true or false.
(i) 'The position of centre of gravity of a body remains unchanged even when the body is deformed'.
(ii) 'The centre of gravity of a freely suspended body always lies vertically below the point of suspension'.
Define the term 'centre of gravity of a body'.
A square card board is suspended by passing a pin through a narrow hole at its one corner. Draw a diagram to show its rest position. In the diagram mark the point of suspension by the letter S and centre of gravity by the letter G.
A uniform flat circular rim is balanced on a sharp vertical nail by supporting it at a point A, as shown in figure. Mark the position of centre of gravity of the rim in the diagram by the letter G.
