engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Strength of Materials Deflection of Beam
Two springs of stiffness k1 and k2 respectively are connected in series, what will be the stiffness of the composite spring?
1
\(k = \frac{{{k_1}{k_2}}}{{{k_1} + {k_2}}}\)
2
\(k = \frac{{{k_1} + {k_2}}}{{{k_1}{k_2}}}\)
3
k = k1 + k2
4
k = k1k2