Determine The Stretch In Each Of The Two Springs Required To

Determine the stretch in each of the two springs required to hold the crate of mass mc in the equilibrium position shown. Each spring has an unstretched length δ and a stiffness k.

mc = 20 kg
δ = 2 m
k = 300N/m
a = 4 m
b = 6 m
c = 12 m

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