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Forces of nature |
There are four forces in nature.
| 1. | Gravitation. |
| 2. | Electricity and magnetism, which are actually the same according to Einstein’s theory of relativity. |
| 3. | The strong nuclear force. This is a contact force, like a sticky force, when two nucleons (protons or neutrons) touch. |
| 4. | The weak force, and is responsible for certain types of radioactive decay. The name of the force is the weak force. |