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A stone of mass 0.5kg is attached to a string of length 0.5m which will break if the tension exceeds 20N. The stone is whirled...

      

A stone of mass 0.5kg is attached to a string of length 0.5m which will break if the tension exceeds 20N. The stone is whirled in a vertical plane, the axis of rotation being above the ground, as shown in the Figure below.
fig284620191043.png
The angular velocity is gradually increased until the string breaks.
(a) In what position is the string most likely to break?
(b) At what angular velocity, w, will the string break?

  

Answers


Kavungya
fig294620191045.png
Kavungya answered the question on June 4, 2019 at 07:46


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