#3.4.2a
force–extension (or compression) graph; work done is area under graph
#3.4.2b
elastic potential energy;
\(E = \dfrac{1}{2}Fx \); \(E = \dfrac{1}{2}kx^2 \)
#3.4.2c
stress, strain and ultimate tensile strength
#3.4.2d
(i) \(\text{Young modulus} = \dfrac{\text{tensile stress}}{\text{tensile strain}} \),
\(E = \dfrac{σ}{ε}\)
(ii) techniques and procedures used to determine the Young modulus for a metal
PAG2
#3.4.2e
stress–strain graphs for typical ductile, brittle and polymeric materials
#3.4.2f
elastic and plastic deformations of materials.
PAG2