3. Question Details OSColPhys1 9.3.014. [2153438] A sandwich board advertising sign is constructed as shown in Figure 5.39. Its mass is 5.30 kg. * chair tang : 0.55 3 0= 22,90 1.3 A 1.30 m 1.3 Cos 9 045 rehair Union board (ed al cender) 01 55m cos 0 1.10 m 1 2 = 0.55 2 + 1132 Cha = 0.54 m Figure 5.39 r= 1.4 m > reg = 0.7m (a) Calculate the tension in the chain assuming no friction between the legs and the sidewalk. IN (b) What force is exerted by each side on the hinge? N (acting horizontally) a rchain co Need to find I components of forces TL = Tcos Ma mal = masino 10. mo Since Duet = 0 3 Thremain = mge reo