Q- A small ball is suspended from point A by a thread of length L. A nail is driven into the wall at a distance of L/2 below A, at O. The ball is drawn so that the thread takes up a horizontal position.
(a) At what point in the ball’s trajectory will the tension in the thread disappear?
(b) How will the ball move after that?
(c) What will be the highest point to which it will rise?
(d) At what point will the ball pass through the vertical line passing the point of suspension?
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