"A 900 N weight and an 800 N weight act in the directions shown on a 5 meter long uniform rigid beam that has a mass of 41 Kg. (a) How much force and in what direction at point A is needed to balance the beam? (b) How much force is exerted by the support at B?"

p.s. I am not flooding the forum with problems. I may ask for one more for a total of 3, but I am trying to figure that one out on my own at the moment.