Which one of the following statements is true? All the mass of an object is actu

Question

Which one of the following statements is true? All the mass of an object is actually concentrated at its center of mass. The center of mass of an object must lie within the object. The center of mass is at the geometric center. The center of mass of an object cannot move if there is zero net force on the object. None of these. A force on a particle is conservative if: Its work equals the change in the kinetic energy of the particle. Its work depends on the end points of every motion, not on the path between. It obeys Newton's second law. It obeys Newton's third law. Its not a centripetal force.

Explanation / Answer

1.d 2. b

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