0 Question: What is upthrust Keywords: physics, upthrust Asked by marcoandisabelle12 to Ed, Hayley, Jason, Nathan, Sophie on 20 Mar 2013.
Hayley Evers-King answered on 20 Mar 2013:
Upthrust is a force that makes an object appear to lose weight in a fluid (like air or water). This is the force that makes you float in the sea and makes a plane fly.
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