Terms and Units F Flow shear stress =o A dx velocity dx shear strain=y y Force Area=A d shear rate y dt 2 y y Modulus(solids)-G= Visquds）=7=7Flow y v y dt dx shear rate y dx shear strain A F shear stress                      cos ( ) ( ) Vis ity liquids Modulus solids G Terms and Units y Area = A Force velocity dx