The speed-reducer unit shown weighs 75 lb, and its center of g ravity is located on the
Chapter 3, Problem 3.105(choose chapter or problem)
The speed-reducer unit shown weighs 75 lb, and its center of gravity is located on the y axis. Show that the weight of the unit and the two couples acting on it, of magnitude \(M_1 = 20 \ \mathrm{lb} \cdot \mathrm{ft}\) and \(M_2 = 4 \ \mathrm{lb} \cdot \mathrm{ft}\), respectively, can be replaced by a single equivalent force and determine (a) the magnitude and direction of that force, (b) the point where its line of action intersects the floor.
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