Pile driver
device · 500 BC · Ancient world
A machine for driving piles.
What it is made of
- Block and tackle — has part. Lifting the weight.
Principles and materials it uses
- Universal gravitation — uses. A falling weight.
- Pile — uses. It drives piles.
- Wood — is made of. A pile driver is a wooden frame.
Things built in a similar way
- Battering ram — works like. A battering ram and a pile driver both strike with a heavy weight: one breaks gates, the other drives piles.