P7: A 50 kg mass is hung from the end ofa 10 kg horizontal bar. The bar is supported by a hinge and by a cable attached 3/4ths of the way from the hinge to the end of the bar. The cable makes a 55 angle with the wall, as indicated. Please answer each of the following questions. a) \\Uhat is the tension in the cable b) What vertical force does the hinge provide to the bar? 3L