Q159 / 160 · AP EAMCET 2020 (23 Sep Shift 1) · Physics

A train is moving towards north. At one place it turns towards north-east. Here, we observe that:

  • Correct answer
    A
    The radius of curvature of outer rail will be greater than that of the inner rail
  • B
    The radius of curvature of inner rail will be greater than that of the outer rail
  • C
    The radius of curvature of the outer and inner rails will be the same
  • D
    The radius of curvature of inner rail will be infinite

Solution

A centripetal force is a net force that acts on an object to keep it moving along a circular path. Any object travelling along a circular path of radius r with velocity v experiences an acceleration directed towards the centre of its path.

A train is moving towards north. At one place it turns towards north-east. Here, we observe that the radius of curvature of outer rail will be greater than that of the inner rail

Hence, the correct answer is option: 'A'.

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