Engineering Timber Beam Stress Calculation Help

S2026
Context: I'm trying to prove that legs for a captain's style bed are strong enough Vertical wooden beams= 4x4 inches and 1.8m long Timber grade = C16 load on each beam ( there are 5 identical ones) = 50kg or 490.33N, so combined max weight is 250kg using Mmax=(w x l^2)/8, I got the max moment... Read more