Q143 / 160 · AP EAMCET 2020 (22 Sep Shift 2) · Physics

A body whose momentum is constant must have constant

  • A
    acceleration
  • B
    force
  • Correct answer
    C
    velocity
  • D
    mass

Solution

Momentum of a moving body with velocity $v$ is given as $$ p=m v $$ Since mass $m$ of a body remains always constant. Hence, if momentum of body is constant, then its velocity must be constant.

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

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