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Draw all the forces acting at O. 28 N force acts downwards due to weight of the block. Tension acts at an angle 33 degrees to the horizontal Along x axis : T sin33 = 28 cos33 . or T sin33 = -0.3717 N negative sign show that tension is against weight;
Solving this equation for T;
T = 0.3717/0.9999
T = 1 N
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