Author Question: Consider a uniform solid sphere of radius R and mass M rolling without slipping. Which form of its ... (Read 80 times)

EY67 · **on:** Jul 29, 2018

Consider a uniform solid sphere of radius R and mass M rolling without slipping. Which form of its kinetic energy is larger, translational or rotational?

A) Its translational kinetic energy is larger than its rotational kinetic energy.
B) Its rotational kinetic energy is larger than its translational kinetic energy.
C) Both forms of energy are equal.
D) You need to know the speed of the sphere to tell.

Question 2

The two rotating systems shown in the figure differ only in that the two identical movable masses are positioned at different distances from the axis of rotation.

If you release the hanging blocks simultaneously from rest, and if the ropes do not slip, which block lands first?

A) The block at the left lands first.
B) The block at the right lands first.
C) Both blocks land at the same time.