20 in. 28 in. -75 in.- c 12 in. E 12 in. 12 in. 20 in. 18 in. 24 in. 4500 lb н 22 in. 10 in.
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The motion of the bucket of the front-end loader shown is controlled by two arms and a linkage that are pin-connected at D. The arms are located symmetrically with respect to the central vertical and longitudinal plane of the loader; one arm AFJ and its control cylinder EF are shown. The single linkage GHDB and its control cylinder BC are located in the plane of symmetry. For the position and loading shown, determine the force exerted (a) by cylinder BC, (b) by cylinder EF.
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