which one of thefollowing statements must be true of an isolated system? a. ther

Question

which one of thefollowing statements must be true of an isolated system? a. there can be no internal forces b. the momentum od the particles must be 0 c. the particles will be in static equilibrium. d. the acceleration of the center of mass of the system mustbe 0 e. the velocity of the center of mass of the system must be0 which one of thefollowing statements must be true of an isolated system? a. there can be no internal forces b. the momentum od the particles must be 0 c. the particles will be in static equilibrium. d. the acceleration of the center of mass of the system mustbe 0 e. the velocity of the center of mass of the system must be0 a. there can be no internal forces b. the momentum od the particles must be 0 c. the particles will be in static equilibrium. d. the acceleration of the center of mass of the system mustbe 0 e. the velocity of the center of mass of the system must be0

Explanation / Answer

The conservation laws can be presumed to be exact whenreferring to an isolated system:    Conservation of Energy: the total energy ofthe system is constant.
   Conservation of Momentum: the mass times thevelocity of the center of mass is constant.
   Conservation of Angular Momentum: The totalangular momentum of the system is constant.
   Newton's Third Law: No net force can be generatedwithin the system since all internal forces occur in opposingpairs. The acceleration of the center of mass is zero. So, I'm pretty sure that the answer here is (d), that theacceleration = 0.

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