The smallest grains of dust stick together in an accretion disk by which force?
A) gravitational force
B) electrostatic force
C) magnetic force
D) quantum mechanical force
E) strong force

Question

Quizplus · Accepted Answer

The smallest grains of dust in an accretion disk stick together primarily due to electrostatic forces, as these small particles can become charged and attract each other.

The Smallest Grains of Dust Stick Together in an Accretion