The effective spring constant of two spring system as shown in figure will be 

814-934

  • A

    $K_1 + K_2$

  • B

    $K_1K_2/(K_1 + K_2)$

  • C

    $K_1 -K_2$

  • D

    $K_1K_2/(K_1 -K_2)$

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