It relied on a torsion (twisting) to provide the energy for the throw, as opposed to a counterweight.
BEcause it is a device helping to use it to throw.
sprouse
catapults were used for war
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.
Use a catapult and launch a stone at his head and he will die.
BEcause it is a device helping to use it to throw.
sprouse
The onager was a form of military catapult, and typically used stones as ammunition. It could also throw incendiary devices (intended to start fires). In some cases, dead animals were thrown in cities under siege, to damage morale, and to increase the chance of an outbreak of disease.
kenetic energy
Like all ancient peoples, the Romans sued swords. They also adopted the Greek ballista and greatly improved on it. This was a crossbow-like catapult which fired darts.. There were large ones which were used for sieges and were carried on a wheeled wooden platform and there were small, handheld ones. In their later days they developed the onager, which fired boulders. Medieval catapults were modelled on the onager.
Type III Lever
They used the catapult for war.
first of all what type of lever, if it's the kind that you tern things like lights on with then it mechanical energy
To cut your toenails and fingernails. To clip and file your nails.
You use a catapult to launch things into the air.
because In a Type 1 Lever, the pivot (fulcrum) is between the effort and the load. In an off-center type one lever (like a pliers), the load is larger than the effort, but is moved through a smaller distance. Examples of common tools (and other items) that use a type 1 lever include and in a Type 3 Lever, the effort is between the pivot (fulcrum) and the load.
No. Depending on how you use the wheel and axle changes what type of lever it is. If the wheel is turning the axle it is a second class lever. If the axle is changing the wheel, it is a third class lever.