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When a meter scale is balanced above a wedge,  mass 1kg is hung at 10 cm mark and a 2kg mass is hang at the  mark. To which mark on the meter scale, the fulcurm be shifted (Neglect mass of meter scale) to balance the scale?

  1. 70 cm
  2. 50 cm
  3. 60 cm
  4. 65 cm

The correct answer is: 60 cm

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