These devices come from antiquity. Remember the Biblical tale of David using a slingshot to vanquish the giant Goliath. The Australian Aborigines Woomera, a throwing stick is quite similar, and dates to at least 5000 years ago.
The Romans developed Catapults into an efficient and powerful war weapon.
They do not necessarily need elastic as an energy store.
In aeronautics, we use the gravitational well of a planet as a slingsot to enhance the speed of a exploratory vessel.
In the above uses, the operating principle is similar to that of an aircraft catapult as used on aircraft carriers.
you make a catapult!
The exact number of people it takes to make a medieval catapult. :-)
The catapult was first used by the army of the Roman Empire. History does not record the name of the Roman engineer who first invented it.
In war
Go to pictures of the catapult and click on the first caption that comes up.
You don't.
to make the work easy.
The exact first person ever to construct a catapult is unknown, however, the first civilisation to use the catapult was Rome, who designed catapults as siege weapons to aid in the expansion of its empire. The catapult was later adopted by other nationalities whowarred against each other.
339BC.
about 400 BC
400 bc
Hizan made the first catapult to throw Prophet Ibrahim (Abraham) {pbuh} into the fire after he destroyed his people's idols.