Determine The Stretch In Each Spring For Equilibrium Of The

Determine the stretch in each spring for equilibrium of the block of mass M. The springs are shown in the equilibrium position.
Given:
M = 2 kg
a = 3 m
b = 3 m
c = 4 m
kAB = 30 N/m
kAC = 20 N/m
kAD = 40 n/m
g = 9.81 m/s2

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