A force of $5\, N$, making an angle $\theta $ with the horizontal, acting on an object displaces it by $0.4\,m$ along the horizontal direction. If the object gains kinetic energy of $1\,J$, the horizontal component of the force is......$N$

  • A

    $1.5$

  • B

    $2.5$

  • C

    $3.5$

  • D

    $4.5$

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