How Does a Soap Dispenser Work?

Join the discussion

Ask a follow-up here, or get your own question answered by working scientists, mathematicians and engineers — people, not an autocomplete.

Real named experts · corrections over time · the nuance an AI answer skips

1 reply · 4K views

chivonne

Homework Statement

My soap dispenser does not work, but when i block the pump end the soap comes out, can someone explain to me why?

I am looking for a relevant equation to prove why it doesn't work

Physics news on Phys.org

CWatters

Gold Member

Some types of valve need back pressure to seal properly. Perhaps that's the explanation?