In the figure, a certain type of string will break if the tension in the string

Question

In the figure, a certain type of string will break if the tension in the string exceeds 800 N. A number of 4-kg weights are hung one below the other from a hook in the ceiling using this string. The number of weights which causes the string to break and the string segment which will break are as follows:

In the figure, a certain type of string will break if the tension in the string exceeds 800 . A number of 4- weights are hung one below the other from a hook in the ceiling using this string. The number of weights which causes the string to break and the string segment which will break are as follows:

When the 21th weight is added, the bottom string segment will break. When the 21th weight is added, the top string segment will break. When the 201th weight is added, all string segments will break. When the 21th weight is added, all string segments will break. Each segment has a tension of 39.2 N, and there is no limit to the number of weights which can be suspended.

Explanation / Answer

Top string will feel the maximum tension when weights are added and it will break when 21st weight is added because tension in string will exceed 800 N. (ans)

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