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प्रश्न
Write about the experiment to find the centre of gravity of the irregularly shaped plate.
उत्तर
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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संबंधित प्रश्न
The distance between two bodies is doubled. How is the magnitude of the gravitational force between them affected?
What is the weight of a body placed at the centre of the earth?
At which point is the centre of gravity situated in a triangular lamina?
A square cardboard 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 the centre of gravity by the letter G.
'The centre of gravity of a freely suspended body always lies vertically below the point of suspension'.
Following Fig shows piece of cardboard of uniform thickness cut into different shapes. Draw two lines to indicate the position of centre of gravity G.
State two methods of increasing the stability of the body.
Answer the following question.
Why do we need to know the center of mass of an object? For which objects, its position may differ from that of the center of gravity?
