The degnition of momentum is a) Mass in Motion b) The size of an object c) The velocity of an object by The size of an object d) A comparison between two objects
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Momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction. Isaac Newton's second law of motion states that the time rate of change of momentum is equal to the force acting on the particle.
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· a) mass. b) energy. c) momentum. d) velocity. Answer: The correct answer is c) momentum. Q42. An object of mass 2 kg is sliding with a constant velocity of 4 m/s on a frictionless horizontal table. The force required to keep this object moving with the same velocity is: a) 32N. b) 0N. c) 2N. d) 8N. Answer: The correct answer is b) 0N. Q43.
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