How do flies walk on the ceiling? – Electromagnetic Zone

Question: How do flies walk on the ceiling?
- Keywords:
  ceiling,
  fly,
  force
Asked by anon-225680 to Sameed, Jose, joannabarstow, Heidi, Freya, Chris on 18 Nov 2019.
- Freya Addison answered on 18 Nov 2019:
  
  They have sticky feet! They have these “pads” with tiny hairs which cling to the surface much like velcro but with added glue (sugary oils), then they have these claws which allow them to peel their sticky feet from the surface they are on!

Question: How do flies walk on the ceiling?