Question

1. Explain how will you determine experimentally the position of the centre of gravity for a triangular lamina
(or a triangular piece of card board).​

Answer 1

Answer:

Take a triangular lamina. Make three fine holes at a, b, c near the edge of triangular lamina. Now suspend the given lamina along with a plumb line from hole 'a'. Check that the lamina is free to oscillate about the point of suspension.