Extracted text: A simply supported planar truss is subjected to point loads at joint B and D as shown in Figure 2. Based on the given truss, answer the following questions: a. Identify zero force member in the truss (if any). Provide the justification for your answer with the calculation. b. Using any suitable method, find force in members BC, HC and HG c. Is the force in member AH is similar in member FE? Provide your reason with the calculation. 5 kN 4 kN 13.27m A E H G F 5m 5m 5m - 5m