Where did the four fundamental forces of the universe originate?
Immediately following the big bang
Strong (nuclear) force, weak (radiation) force, electromagnetism, and gravity are the four fundamental forces.
Only two forces were at work at first: gravity and weak force. Electromagnetism and other two came into being a little later, when the temperature dropped enough for atoms to form.
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Soon after the universe started to cool and expand following the Big Bang, the four fundamental forces of the universe were created.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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