Ancient paper, which was made from papyrus reeds, was developed in 4000 B.C.E. It represented an alternative to stone tablets, chiseling rock and etching clay, since it could be folded and moved from one place to another.
It, combined with the development of the hieroglyphic writing system, helped Egypt become one of the superpowers of the ancient world, transforming the Egypician society and its culture.Through the use of papyrus, Egypcians wrote literary works, letters, financial records, prescriptions, judicial rulings, mathematical calculations and more.
- The weight of the truck is a force.
- A normal force that balances the weight and is perpendicular to the surface and opposite to the weight.
- The force of gravity that is directed towards the center of the earth.
- It also intervenes friction that is the friction between two bodies where one slides on another.