(1) The center of mass of an object must always be locatedwhere the physical mat
ID: 1679820 • Letter: #
Question
(1) The center of mass of an object must always be locatedwhere the physical material of the object is located. True orFalse (2) Is it possible for a system to have negative potentialenergy? a. Yes, as long as the tatol energy is positive. b. No, because the kinetic energy of a system must equal itspotential energy. c. Yes, since the choice of the zero of potential energyis arbitrary. d. No, because this would have no physical meaning. (1) The center of mass of an object must always be locatedwhere the physical material of the object is located. True orFalse (2) Is it possible for a system to have negative potentialenergy? a. Yes, as long as the tatol energy is positive. b. No, because the kinetic energy of a system must equal itspotential energy. c. Yes, since the choice of the zero of potential energyis arbitrary. d. No, because this would have no physical meaning.Explanation / Answer
1) true The center of mass of anobject must always located where the physical material of theobject is located . 2) yes . since the choice of the zero of potentialenergy is arbitrary negative signrepresents opposite direction
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