Magnitudes of the reaction forces

As shown, a roller at point A and a pin at point B support a uniform beam that has a mass 32.0 . The beam is subjected to the forces F1= 79.0 and F2= 89.0 . The dimensions are l1= 0.850 and l2= 1.60 . (Part B figure) What are the magnitudes and of the reaction forces and at points A and B, respectively? The beam’s height and width are negligible.

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