Two blocks of mass $2 \,kg$ and $4 kg$ are accelerated with same acceleration by a force $10 \,N$ as shown in figure on a smooth horizontal surface. Then the spring force between the two blocks will be .......... $N$ (spring is massless)

212498-q

  • A

    $5$

  • B

    $10$

  • C

    $\frac{10}{3}$

  • D

    $\frac{5}{3}$

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