This is a noun.
The handles of a wheelbarrow would be the lever of the machine system. The wheel would be the fulcrum or center point. The part of the wheelbarrow that is used as a lever system is the operator. The operator lifts the handles and creates a lever.
a wheelbarrow
It is wheelbarrow.
The wheel and axle on a wheelbarrow serve as the fulcrum, allowing for balanced movement and proper distribution of weight when lifting or moving objects.
Kelvin Wheelbarrow goes by Ol' Wheelbarrow.
Because rain had fallen on the wheelbarrow
Because rain had fallen on the wheelbarrow
The part of speech for this particular word is a noun.
part of speech
Rainwater
Because rain had fallen on the wheelbarrow
Rainwater