A spring of force constant 15 N/m is cut into two pieces. If the… | JEE Main 2026 Physics PYQ

MCQEasyJEE Main 2026 · 24 January, Shift 1Elasticity & Stress-Strain Curve

A spring of force constant $15 \, \text{N/m}$ is cut into two pieces. If the ratio of their lengths is $1:3$ , then the force constant of the smaller piece is _____ $\text{N/m}$ .

A
$60$
B
$45$
C
$20$
D
$15$

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