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the length of the string is l and its force constant is k when weight w is suspended from it and its length increases by x the spring is cut into two equal parts and put in parallel and same weight w is suspended from them then the extension wil be

the length of the string is l and its force constant is k when  weight w is suspended from it and its length increases by x  the spring is cut into two equal parts and put in parallel and same weight w is suspended from them then the extension wil be 

Grade:11

1 Answers

Arun
25750 Points
5 years ago
   Spring is cut into two equal halves so spring constant of each part = 2k These parts are in parallel so
k equivalent = 2k + 2k = 4k
 
hence x’ = x/4

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