The tractor shovel shown (Figure 4) carries a 500 kg load that has its center of mass at H. The shovel's dimensions are: a = 54.0 mm, b = 216 mm, c = 324 mm d = 108 mm, and e = 378 mm. Find the reaction force at E. Assume that the positive direction of the x and y axes is to the right and upward, respectively.

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The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.