What is the standard for determining whether the stress is normal or shear? For example, If I say the longitudinal axis is X, then how do I tell that τ(xy) is a shear stress when it's close to the neutral axis and has the same direction as σ(x)?7mo ⋅ JHdarK ⋅ r/civilengineering
Who is this guy with a red cap? Is he also the US army honor guard? (I'm civilian)2yr ⋅ JHdarK ⋅ r/army
