Question
Question: A spring of force constant K is cut into two pieces such that one piece is double the length of the ...
A spring of force constant K is cut into two pieces such that one piece is double the length of the other. Then the long piece will have a force constant of
A
2/3 K
B
3/2 K
C
3K
D
6K
Answer
3/2 K
Explanation
Solution
l1 = 2l2 = 2/3 l
Force constant K ā 1/length of spring
ā“ K = 3/2 K