Final answer:
The artwork depicted is Marcel Duchamp's Fountain, a porcelain urinal that challenged traditional definitions of sculpture and sparked controversy in the art world.
Step-by-step explanation:
The artwork depicted in the image is Marcel Duchamp's Fountain. It is a porcelain urinal that Duchamp presented as an artwork in 1917. This readymade artwork challenged the traditional definition of sculpture and sparked controversy and debate in the art world. Duchamp's Fountain is considered a key work of Dadaism, an art movement that rejected conventional artistic practices and sought to provoke thought and question the nature of art itself.