The Bobcat 753 loader is depicted on the attached sheet Trea

The Bobcat 753 loader is depicted on the attached sheet Treat the problem as a 2-D half model. In other words, ignore the side you can\'t see. The loader has the following dimensions and values. Distance OB is 24 inches. The ray from O to B has a fixed angle of B-120 degrees from the positive X axis Distance AB is 48 inches. The Z-axis is into the page. Positive angles follow the right-hand rule. Point P is 100 inches from B and inline with AB The center of mass of link 2 (the arm connecting A, B and P) is 15 degrees above the line from B to A and is 60 inches from B The bucket with the payload and link 2 are considered to be rigid. The total weight of the arm, bucket and payload is 500 lb. The frame (#1) is stationary. The cylinder weighs 25 lb and has its center of mass at 20 inches from A The piston weighs 28 lb and has its center of mass 22 inches from B The distance AB can change and is called r. In the down position, as shown, the line from A to B lies on the X axis. A, B, and O refer to the centers of the pins connecting the different links and the frame. The angle 8B is the angle of OB from the positive X axis. The angle 2 is the angle from B to A from the positive X axis. The angle 3 is the angle of OA from the positive x axis.

Solution

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