Two-dimensional force systems, moments, couples, and resultants. Two-dimensional equilibrium problems including trusses and frames. Distributed forces, centroids and moment of inertia. Stress-strain-temperature relationships. Behaviour of prismatic members in tension, compression, shear, bending and torsion. [Offered: W, S] Prereq: Level at least 1B Civil Engineering students only. Antireq: ENVE 127.