A huge rotating cloud of particles in space gravitate together to form an increasingly dense ball.As it shrinks in size,the cloud
A)rotates faster.
B)rotates slower.
C)rotates at the same speed.
D)cannot rotate.

Question

Quizplus · Accepted Answer

According to the law of conservation of angular momentum, as the cloud shrinks in size, the angular velocity must increase in order to conserve the momentum. Therefore, the cloud will rotate faster.

A Huge Rotating Cloud of Particles in Space Gravitate Together