According to the Big Bang theory, how many forces-and which ones-operated in the universe during the GUT era?
A) 2 forces: gravity and a single force that later became the strong, weak, and electromagnetic forces
B) 1 force that represented the unification of all four forces that operate today
C) 3 forces: gravity, the strong force, and the electroweak force
D) 2 forces: the strong force and the electroweak force

Question

Quizplus · Accepted Answer

During the GUT (Grand Unified Theory) era, there were 2 forces: gravity and a single force that later split into the strong, weak, and electromagnetic forces.

According to the Big Bang Theory, How Many Forces-And Which