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A bar of uniform cross section and weighing $100 \:N$ is held horizontally using two massless and inextensible strings $S1$ and $S2$ as shown in the figure

The tensions in the strings are

  1. $T_1=100 \:  N \text{ and } T_2=0 \: N$
  2. $T_1=0 \:  N \text{ and } T_2=100 \: N$
  3. $T_1=75 \:  N \text{ and } T_2=25 \: N$
  4. $T_1=25 \:  N \text{ and } T_2=75 \: N$
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