Question: A square plate is produced by welding together four smaller square plates, each of side a as shown in figure. Plate 1 weighs 40 N;

A square plate is produced by welding together four smaller square plates, each of side a as shown in figure. Plate 1 weighs 40 N; plate 2, 60 N; plate 3, 30 N; and plate 4, 50 N. Find the center of gravity (xcg,ycg).

(0, 2a) (24, 2a) 30 N 60 N 40 N 50 N

(0, 2a) (24, 2a) 30 N 60 N 40 N 50 N (0, 0) (2n, 0)

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