What two physical processes balance each other to create the condition known as gravitational equilibrium in stars?
A) The strong force and the weak force
B) Gravitational force and outward pressure
C) Gravitational force and surface tension
D) The strong force and the electromagnetic force

Question

Quizplus · Accepted Answer

Gravitational force pulls the material in a star inward, while outward pressure pushes outward. These two forces need to be balanced for the star to remain stable, which is known as gravitational equilibrium. The other options listed do not contribute to gravitational equilibrium in stars.

What Two Physical Processes Balance Each Other to Create the Condition