Question

what do you mean by upthrust,buoyancy force

Answer 1

Buoyancy force/Upthrust-

the upward force that a liquid or gas exerts on a body floating in it.

Answer 2

Answer:

whenever an object is immersed in a liquid , either partially or fully , an upward force is exerted on the object by the liquid, This upward force is called upthrust or buoyant force or force of buoyancy an the property of the fluid to which the upthrust is exerted on the object is called buoyancy.