Assignment 2.2i: Truss Calculations Worksheet Problem 1: 1. Identify Reaction Forces at mounts (fixed get 2, rolling get 1) 2. Draw a free body diagram of node with fewest unknowns 3. Draw and label unknown forces 4. Sum forces in X and Y 5. Use similar triangles to calculate x from y or y from x 6. Draw newly found forces on truss diagram 7. Reflect truss forces to opposite ends 8. Repeat with remaining nodes di 2 di 2A S di 00 Name Period Date: A 4 ft 4. 5 ft C 3 ft B 60 lb 0-812