Q.
A vertical spring mass system has a mass of 0.5 kg and an initial deflection of 0.2 cm find the value of natural frequency
Answer & Explanation
Frequency is given by,
Fn= (1/2π)*√(g/δ)
Fn= (1/2π)*√(9.81/0.002) ----(0.2 cm=0.002 m)
Fn =11.14 Hz
Thus correct option is: A.