Multiple choice

Which of the following principles is related to the formation of a star in the universe?

  1. Surface tension

  2. Bernoulli's principle

  3. Capillary action

  4. Gravitational force

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gravitational force is the primary driver for the formation of stars, as it causes clouds of gas and dust to collapse inward until nuclear fusion begins.