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Two blocks of masses \( m_{1} \) and \( m_{2} \) are connected with a lightspring of force constant \( k \) and the whole system is kept on a frictionless
horizontal surface. The masses are applied forces \( F_{1} \) and \( F_{2} \) as
\( \mathrm{P} \)
shown in figure. At any time, the blocks have-samre acce \( a_{0} \) but in opposite dineations. Now answer the following:
W
The value of spring force is \( \begin{array}{ll}\text { (1) } \frac{m_{1} F_{2}+F_{1} m_{2}}{m_{1}-m_{2}} & \text { (2) } \frac{m_{1} F_{2}-F_{1} m_{2}}{m_{1}+m_{2}}\end{array} \)
\( r \)
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