ROTATIONAL MOTION Quiz

• It eliminates all forces
• It makes internal forces visible
• It doubles the mass
• It allows treating the system as a single point with total mass

• All particles are at rest
• The system is destroyed
• The center of mass accelerates
• The center of mass is at rest or moving with constant velocity

• No, it is always zero
• It is the same in all frames
• Only direction changes
• Yes, its value depends on the frame

• Internal structure
• Mass of fragments
• Shape of the object
• Initial velocity and gravity

• They have no effect on any particle
• They only affect mass
• They stop all motion
• They can change their velocities and positions