a light bulb
A wheelbarrow only has one wheel so it does not use the mechanics of a "wheel and axle".
a bicycle
a bicycle an automobile a go-cart
It is a wheel and axle
Transportation would be a use of the wheel and axle.
No. Depending on how you use the wheel and axle changes what type of lever it is. If the wheel is turning the axle it is a second class lever. If the axle is changing the wheel, it is a third class lever.
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.
dorknobbycicles
yes
As a wheel and a axle
Wrenches are examples of levers. Screwdrivers are a wheel and axle motion. They often use pulleys to move heavy items.
a light bulb