A mass 2kg is suspended as shown in figure. The system is in equilibrium in vertical plane. Assume pulleys to be massless. The force constant of the spring is 100 N/m.If the extension in the spring is given by x/10 m. Find x? (g = 10 m/s2)
T = Mg
T1 = T + Mg = 2Mg
Kx = 2T1
or x = 2T1 /K = 4Mg/K
