ROTATIONAL MOTION

How is the direction of the vector product of two vectors determined?

• By the left-hand rule
• Randomly
• Along the first vector
• By the right-hand rule

What is the vector product of two vectors also known as?

• Dot product
• Scalar product
• Addition product
• Cross product

If two particles of equal mass are located at positions x and -x along a line, where is the center of mass?

• At x
• At -x
• At 2x
• At the origin

What happens to the center of mass when a person walks from one end of a boat to the other in still water?

• The boat stays still
• The center of mass moves with the person
• The system sinks
• The boat moves opposite to keep the center of mass stationary

How does the motion of a system's center of mass behave during a collision?

• It reverses direction
• It stops momentarily
• It accelerates rapidly
• It continues with unchanged velocity if no external force acts