I'm not sure specifically, but it would be under the larger topic of Elementary Mechanics, or just Mechanics.
The study of coins is called numismatics.
It is called PROBABILITY.
Mechanical advantage is not the only reason to use levers.
It's called "Numberwang".
12
functional levers
first class The point about which a lever rotates is called the fulcrum
levers.
Yes. A bike will have several levers. The crank arms are levers, the brake levers are levers, the shifters are levers, the handle bar is a lever.
Fulcrum.
treadle
yes They do have levers
There are three different Classes of levers. Class One Levers have a fulcrum in the middle. Class Two Levers have a resistance in the middle. Class Three Levers have effort in the middle.
why are levers useful
levers
Brake levers and gear levers. The pedals are also a sort of lever.
3rd class levers are in your arm.