Levers are awsome!
- to lift things
- to cut things
-to crush things
- to tighten things
- make things move
- make things stop
- to loosen things
THATS ALOT !
Science behind it !!!
The effort is basically the pressure on the lever causing it to lift the load up or down.
Pressure is like somthing heavy, it can push somone or something up,down,right or left.It can also be power to a simpe or complex machine.
A foulcrum can be many differentn shapes for example the foulcrom on a wheel barrow
is the wheel which is a circle ! Since there are three different types of levers,each foulcrum is in a different place.
How did peaple come up with the name lever ?
Does the name lever describe another name of sumsort ?
Do people use first class lever, second class lever or third class lever more ?
when you go on a teeter totter you are on a lever!
A nut cracker is a second class lever that people use daily.
A fishing rod is a third class lever that has been usefull for many many years.