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PhysicsNEET 2019Newton's laws, inertia, impulse and momentum

Laws of Motion

A particle moving with velocity v⃗\vec v is acted upon by three forces, represented in magnitude and direction by the three sides of a triangle PQR taken in the same order (P⃗\vec P, Q⃗\vec Q, R⃗\vec R head-to-tail forming a closed triangle). The velocity of the particle will:

  1. A.Increase
  2. B.Decrease
  3. C.Remain constant✓
  4. D.Change according to the smallest force

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