2295

Physics Rotational Mechanics Level: High School

Moment of Inertia

Two uniform solid spheres , A and B have the same mass . The radius of sphere B is twice that of sphere A . The axis of rotation passes through each sphere . Which one of the following statements concerning the moments of inertial are true ?

a) The moment of inertia of A is ¼ that of B .

b) The moment of inertia of A is ½ that of B .

c) The moment of inertia of A is 5/4 that of B .

d) The moment of inertia of A is 5/8 that of B .

e) The two spheres have equal moments of inertia .