1.

A small pebble is placed near the periphery of a circular disc which is rotating about an axis passing through it centre.(a) What will be your observation when you are standing outside the disc? Explain it.

Answer»

(a) On standing outside the disc, we find that the pebble is moving on a circular path. On standing at the centre of the disc, we find that the pebble is stationary placed just in front of us.



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