2 Fig. 2 shows a sack of rice of weight 250 N hanging in equilibrium supported by a light rope AB . End A of the rope is attached to the sack. The rope passes over a small smooth fixed pulley.
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\caption{Fig. 2}
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Initially, end B of the rope is attached to a vertical wall as shown in Fig. 2.
- Calculate the horizontal and the vertical forces acting on the wall due to the rope.
End B of the rope is now detached from the wall and attached instead to the top of the sack. The sack is in equilibrium with both sections of the rope vertical.
- Calculate the tension in the rope.