Multiple Choice. Four uniform objects are rotating about their center of mass: a hoop, a solid disk, a solid sphere, and a hollow sphere. Each object has the same mass and radius as the others. If we tried to stop all four objects, which one would be the most resistant to being brought to rest?

a$)$ hoop

b$)$ disk

c$)$ solid sphere

d$)$ hollow sphere

Multiple Choice. Four objects are rolling down an incline plane: a hoop, a disk, a solid sphere, and a hollow sphere. Each object has the same mass, radius, and velocity of their center of mass as the others. Which of the four objects will reach the bottom first?

a$)$ hoop

b$)$ disk

c$)$ solid sphere

d$)$ hollow sphere