to make it easy to roll
People use Archimedes' invention of the wheel and axle for picking up things easier. You can find a well as a wheel and axle, because you use a well to bring up water from the ground.
· Axle · Wheel
Archimedes invented the six simple machines.
Archimedes made many things. He made (invented) the Archimedes screw which helps farmers with their irrigation. He also supposedly made Archimedes Death Ray (which is a myth) and Archimedes Claw which is said unrealistic by modern engineers.
Yes, it is a wheel and axle.
The IMA of a wheel and axle is the radius of wheel divided by the radius of the axle.
VR = radius of handle/radius of axle : R/r or D/d
The wheel generally turns the axle.
A pulley is a wheel but not an axle.
The mechanical advantage of a wheel and axle is the ratio of the radius of the wheel to the radius of the axle.
There is no specific answer to a wheel and axle. A wheel and axle is actually defined as a lever that spins. Generally, the wheel rotates around the axle for the proper usage of certain machines.
It is a wheel and axle