Newton’s Law’s of Motion,Newton’s First Law,

  • A body continue to be in its state of rest or of uniform motion along a straight line, unless it is acted upon by some external force to change the state.
  • If no net force acts on a body, then the velocity of the body cannot change i.e. the body cannot accelerate.
  • Newton’s first law defines inertia and is rightly called the law of inertia. Inertia are of three types : Inertia of rest, Inertia of motion, Inertia of direction

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