G is the shear modulus or more commonly the modulus of rigidity and is usually given in gigapascals -LRB- GPa -RRB- , lbf/in2 -LRB- psi -RRB- , or lbf/ft2 .

G is the shear modulus or more commonly the modulus of rigidity and is usually given in gigapascals -LRB- GPa -RRB- or ft · lbf .
