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17. Four weightless rod of length l each are connected by hinged joints a from a rhombus.hinge A is fixed and load is suspended to hinge C. hinge D and B are connected by weightless spring of length 1.5l in unreformed state. In equilibrium the rods form angles 30^° with vertical,then time period of oscillations of load is

Answer» 17. Four weightless rod of length l each are connected by hinged joints a from a rhombus.hinge A is fixed and load is suspended to hinge C. hinge D and B are connected by weightless spring of length 1.5l in unreformed state. In equilibrium the rods form angles 30^° with vertical,then time period of oscillations of load is


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