Question

-1.76 points OSColPhys2016 9.3P015 A sandwich board advertising sign is constructed as shown in the figure below. Hinge 0.50 m Chain ca ca1.30m CG CG Uniform board (cG at center) 1.10 m Its mass is 5.70 kg (a) What minimum coefficient of friction is needed between the legs and the ground to keep the sign in the position shown if the chain breaks? (b) What force is exerted in newtons by each side on the hinge?

Answer 1

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