Question 16
Angular momentum is conserved in which of the following systems?
Question 17
Rotational kinetic energy is directly proportional to which of the following?
Question 18
Which object has greater rotational inertia: a ring or a disk of same mass and radius?
Question 19
A solid sphere and a solid cylinder of same mass and radius roll down an incline from rest. Which reaches the bottom first?
Question 20
If the mass of a rotating object is doubled without changing radius, what happens to moment of inertia?