The work done by a force $\vec F = \left( { - 6{x^3}\hat i} \right)\,N$ in displacing a particle from $x = 4\,m$ to $x = -2\,m$ is ............... $\mathrm{J}$

  • A

    $-240$

  • B

    $360$

  • C

    $420$

  • D

    will depend upon the path

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