1.

What will be the force constant of the spring system shown in the figure                              [RPET 1996; Kerala (Med./ Engg.) 2005]

A. \[\frac{{{K}_{1}}}{2}+{{K}_{2}}\]
B. \[{{\left[ \frac{1}{2{{K}_{1}}}+\frac{1}{{{K}_{2}}} \right]}^{-1}}\]
C. \[\frac{1}{2{{K}_{1}}}+\frac{1}{{{K}_{2}}}\]
D. \[{{\left[ \frac{2}{{{K}_{1}}}+\frac{1}{{{K}_{1}}} \right]}^{-1}}\]
Answer» C. \[\frac{1}{2{{K}_{1}}}+\frac{1}{{{K}_{2}}}\]


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