Chap 18: composites calc

Question 1

what is Hooke’s Law and the general equation

Answer 1

F = Kx –> Fδx

K = stiffness of material
δx = elongation of material due to applied force

Question 2

isotropic Hooke’s law equation

Answer 2

δx = (Fx)/(AE) σ (stress) = E*ε (strain)

A = area
E = youngs modulus