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Question
Write about the experiment to find the centre of gravity of the irregularly shaped plate.
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Solution
1. Make three holes in the lamina
2. Suspend the lamina from the optical pin through one of the holes
3. Suspend the plumb line from the pin and mark the position of the plumb line on the lamina’
4. Draw lines on the lamina representing the positions of the plumb line.
5. Repeat the above steps for the holes.
6. Label the intersection of the three lines as X, the position of the center of gravity of the lamina.
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