-In the Figure,a Certain Type of String Will Break If

question 11

Multiple Choice

-In the figure,a certain type of string will break if the tension in the string exceeds 300 N.A number of 8-kg weights are hung one below the other from a hook in the ceiling using this string.The number of weights that causes the string to break and the string segment that will break are as follows:

• A)When the 4th weight is added,the top string segment will break.
• B)Each segment has a tension of 78.4000015 N,and there is no limit to the number of weights that can be suspended.
• C)When the 4th weight is added,the bottom string segment will break.
• D)When the 4th weight is added,all string segments will break.
• E)When the 38th weight is added,all string segments will break.