5 kN B. -2 m- -2 m- (a)

3) E = 70 GPa and 1 = 2 x 10³ mm² Draw the moment diagram for member BC. A is fixed and D is roller. 20 kN I B I 10 m I D 10 m

1

draw the shear diagram and moment diagram for the girder. show all work

1. From the truss loaded as shown, determine the stress induced on each of the members BC, BD and CD. Consider each member has a cross sectional area of 1200 sq. millimeters. Consider the pulley to be frictionless. Solve the required forces using method of joint and method of sections. 110 kN 5 kN 10 kN 2m 4m 2m E 3m 2m 20KN

2

Determine the maximum positive moment (lbs-ft) in the simply supported beam as shown. Where: Where: L1 = 7ft; L2 = 4.2ft; W = 299lbs/ft W A L1 R₁ B p L2 R₂

2-2 A 100-N force is applied at end C of the rod as shown. c) Assess the effect of the angle being varied from 0° to 360° to the moment of the 100-N force about point A. [b) (i) MA=0 N-m; (ii) MA=-24k N-m; (iii) MA=-12k N.m] 2-3 A 600-N force is applied on end D of the bent rod as shown. c) Assess the effect of the angle being varied from 0° to 180° to the moment of the 600-N force about point A. [b) (i) MA= 180 N-m; (ii) MA= - 480k N-m; (iii) MA= 180k N-m; (iv) MA=- 432k N.m] Figure IA Figure 150 mm P2-2 600 N 50 cm B P2-3 90 mm 0 000 B 30 cm C 100 N 30 cm

#1