Question

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a small Pebble is tied at one end of a string is placed near the Periphery of a circular disc,at the centre of which other end of the string is tied to a peg. this disc is rotating about an Axis passing through its centre .


(a) what will be your observation when you are standing outside the disc‽ explain
(b) what will be your observation when you are standing at the centre of the disc‽ explain


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Answer 1

Explanation:

A small pebble tide at one end of a string is placed near the periphery of a circular disc, at the center of which the other end of the string is tied to ...

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Top answer · 2 votes

(a) The pebble moves in a circular path because the tension in the string provides the required centripetal force. (b) The pebble is stationary just ... More

Answer 2

Explanation:

(a) The pebble moves in a circular path because the tension in the string provides the required centripetal force.

 (b) The pebble is stationary just in front because the centrifugal force on the pebble balance the tension in the string.

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