The Center of Mass of a System of Particles Is

question 78

Multiple Choice

The center of mass of a system of particles is so defined that

• A)it is always at rest.
• B)it is always at rest or moving with constant velocity.
• C)it always moves in a straight line even if the particles are rotating about it.
• D)the kinetic energy of the system is a maximum about any axis through the center of mass.
• E)its location depends only on the masses of the particles and their locations.