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a spring of force constant k is cut into two equal parts,which are then joined parallel to each other.the force constant of the combined will be??? is the answer 'k'.can u verify it?
spring constant of spring of length L is K....
now k is inversly proportional to length ..
so , K2/K1 = L1/L2
from here we can compare force constant of two different lengths of wire of same material..
let force constant of each half is k1 after cutting then
k1/k = L/(L/2)
k1 = 2k
both of these parts are connected parallel so net force constant = 2k+2k=4k
approve my ans if u like it
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