The study of coins is called numismatics.
It is called PROBABILITY.
It's called "Numberwang".
Mechanical advantage is not the only reason to use levers.
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.
Levers consist of a rigid bar or beam that pivots on a fixed point called a fulcrum. They are used to amplify force or transmit motion. Levers are divided into three classes based on the relative positions of the input force, output force, and fulcrum.
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.
Fulcrum
why are levers useful
levers
Brake levers and gear levers. The pedals are also a sort of lever.
A foot pedal.