5. ( ) The figure shows scale drawings of four objects, each of the same mass and uniform thickness, with the mass distributed uniformly. Objects A and C are solid cylinders, object B is a circular ring, and object D is a rod. Which one has the greatest moment of inertia when rotated about an axis perpendicular to the plane of the drawing at point P? a A b) B c C d) D e) All the same C D 6. ( ) The reason a figure skater spins slower as he extends his arms is because a) he experiences a smaller torque. b) his angular momentum is greater. c) his angular momentum is less. d) his rotational inertia is less. e) his rotational inertia is greater. f) his center of gravity is lower. 7. ( ) Three cones are placed on a flat table with A base down, B tip down, and C side down. Which is (are) in neutral equilibrium? A B C a) A b B C C d) A and B e) B and C f) A, B, and C