A spring of force constant 
is cut into two pieces. If the ratio of their length is 
, then the force constant of smaller piece is 
N/m.
Text Solution
Verified by ExpertsThe correct answer is:
A
Spring force constant is inversely proportional to length: 
So 
constant for a given spring material and structure.
Original spring: 
, length 
.
Smaller piece has length 
(since length ratio is 1:3, smaller is 
of total).
For smaller piece: 
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