> Q. A rod PQ of $1,m$ length is held horizontally. To its two ends two strings of $1,m$ each are attached and from the other ends a mass of $1, kg$ is suspended, the tension in the rod is – LIVE ANSWER TODAY

Q. A rod PQ of $1,m$ length is held horizontally. To its two ends two strings of $1,m$ each are attached and from the other ends a mass of $1, kg$ is suspended, the tension in the rod is

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A rod PQ of $1,m$ length is held horizontally. To its two ends two strings of $1,m$ each are attached and from the other ends a mass of $1, kg$ is suspended, the tension in the rod is

Solution:

Here $2T_1$ cos 30$^{circ}$ = $1 times 10 Rightarrow, T_1 = 10 / sqrt{3}$ .
Also. $T_1$ cos 60$^{circ}$ = $T_2$. Hence $T_2 = frac{10}{sqrt{3}} times frac{1}{2} = frac{5}{sqrt{3}}$

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