A man having a weight of 176 lb attempts to hold himself using one of the two methods shown. Determine the total force he must exert on bar AB in each case and the normal reaction he exerts on the platform at C. The platform has a weight of 31 lb. (Figure 1) Determine the total force the man must exert on bar AB using the first method. Express your answer to three significant figures and include the appropriate units Determine the normal reaction the man exerts on the platform at C using the first method. Express your answer to three significant figures and include the appropriate units. Determine the total force the man must exert on bar AB using the second method. Express your answer to three significant figures and include the appropriate units.