A simple pendulum with length  $L$ and mass $m$ of the bob is vibrating with an amplitude $A$. The maximum tension in the string is

  • A

    $mg$

  • B

    $mg\left[ {1 + {{\left( {\frac{A}{L}} \right)}^2}} \right]$

  • C

    $mg\left[ {1 + {{\left( {\frac{A}{2L}} \right)}^2}} \right]$

  • D

    $mg\left[ {1 - {{\left( {\frac{3A}{L}} \right)}^2}} \right]$

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