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3. [-/5.71 Points] MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A sandwich board advertising sign is constructed as shown in the figure below. Hinge- DETAILS OSCOLPHYS2016 9.3.P.014. ± Chain 02-Thomson Learing Reading Additional Materials CG CG 0.50 m Uniform board (CG at center) 1.10 m The sign's mass is 8.80 kg. (a) Calculate the tension in newtons in the chain assuming no friction between the legs and the sidewalk. N (b) What force is exerted in newtons by each side on the hinge? IN 1.30m

Fig: 1