PHYSICS A2 FORCE AND MOMENTUM 3.5 / 5 based on 4 ratings ? PhysicsMomentum and ImpulseA2/A-levelAQA Created by: KevinsitoCreated on: 14-09-15 22:25 Momentum Momentum = mass x velocity 1 of 9 Unit of momentum kgms(-1) or Ns.I 2 of 9 Newton's second law of motion the rate of change of momentum is proportional to the resultant force on it. 3 of 9 Impulse Impulse = force x the time for which the force acts. 4 of 9 What does the area under a Force-time graph represent? Impulse (change of momentum) 5 of 9 Newton's third law of motion When two objects interact, they exert equal and opposite forces on each other. 6 of 9 Principle of conservation of momentum For interacting objects, total momentum remains constant, provided no external resultant force acts on them. 7 of 9 Elastic Collision No loss of kinetic energy. 8 of 9 Inelastic Collision Colliding objects stick together. 9 of 9
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