The path of a particle moving under the influence of a force fixed in magnitude and direction is

  • A
    Straight line
  • B
    Circle
  • C
    Parabola
  • D
    Ellipse

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  • [AIIMS 2018]

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A particle of mass $m$ is constrained to move on $x$-axis. A force $F$ acts on the particle. $F$ always points toward the position labeled E. For example, when the particle is to the left of $E$, $F$ points to the right. The magnitude of $F$ is constant except at point $E$ where it is zero.
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Velocity-time graph of the particle is