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Film summary
Introducing the four main forces of nature: gravity, electromagnetic force, and the weak and strong nuclear forces. Learn why they are fundamental to life on Earth.Key facts
- There are four fundamental forces of nature.
- Gravity attracts objects to each other.
- Electromagnetic force causes charged particles to either attract or repel.
- There are strong and weak nuclear forces that act at subatomic levels.
Transcript
Without the four fundamental forces of nature, you and everything in the Universe would fall apart and float away.
Gravity
Right now the force of gravity is pulling you towards the Earth's surface.
Gravity causes objects to be attracted to each other.
The larger the mass and the closer the distance …
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