A 10-kg storm window measuring 900 1500 mm is held by hinges at A and B.

A 10-kg storm window measuring 900 × 1500 mm is held by hinges at A and B. In the position shown, it is held away from the side of the house by a 600-mm stick CD. Assuming that the hinge at A does not exert any axial thrust, determine the magnitude of the force exerted by the stick and the components of the reactions at A and B.

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1500 mm 1500 mm 900 mm