Physics

Problem

A stone of mass 900g is tied to a string and moved in a vertical circle of radius 1m making 10 rpm. The tension in the string, when the stone is at the lowest point is (if

\pi^2 = 9.8

and

g = 9.8 \text{ m/s}^2

): (a) 17.8N (b) 8.82N (c) 97N (d) 9.8N

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