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Q. A spring has length $l$ and spring constant $k$ . If spring is divided in two equal parts then spring constant of each part is

Punjab PMETPunjab PMET 2005Oscillations

Solution:

Spring constant $k=F/l$ If spring is divided into two equal parts, then length $(l)$ will become half. So, the spring constant will become double i.e. will become $2 k$.