For the Figure 1; a. Find the Tension and Compression forces for S, S, S3, S4. b. Sizing as NPI with using these values. S4 S A [0 = 140 MPa, o = 120 MPa, te em, em.b em 40 KN S 60 KN 30 KN S3 B Figure 1 * 4m 4" 4" 4" + +4m m = 90 MPa, o 60 KN z.max N max A 9 = Member Tension $1 S2 F S3 S4 -] i min Compression