Is gravity the strongest force in the universe?
Gravity is the weakest force. Think about it a moment. The electromagnetic force is the force that causes plastic wrap to stick to the top of a container. You can fill the container with the food of your choice, seal the top with plastic wrap, turn the container over, and the wrap will hold the food in the container despite all of Earth’s gravity trying to pull it out. The electromagnetic force will hold a single electron in orbit around a single proton. However, gravity does not start to be a factor in holding things together until you get up to things the size of asteroids. The electromagnetic force is 10^38 times stronger than gravity. Note: the other two fundamental forces, the strong and weak nuclear forces, are stronger than the electromagnetic force, but are only effective within the distances found within an atomic nucleus.
