If earth suddenly stop rotating, then the weight of an object of mass $m$ at equator will $[\omega$ is angular speed of earth and $R$ is its radius]

  • A

    Decrease by $m \omega^2 R$

  • B

    Increase by $m \omega^2 R$

  • C

    Decrease by $m \omega R^2$

  • D

    Increase by $m \omega R^2$

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