Which of these are the assumptions made in the force analysis of simple trusses?(i) All members have same cross-sectional area(ii) The bending resistance of all the members is small in comparison with their axial force resistance(iii) All the external loads are applied directly or indirectly at the joints(iv) All joints are idealized to be frictionless hinges

• A. (i), (ii) and (iv)
• B. (ii), (iii) and (iv)
• C. (i), (ii) and (iii)
• D. (iii) and (iv)