Question

What is upthrust ?
(Science)​

Answer 1

Upthrust is the upward force acting on a body when it is partially or fully immersed in a liquid, it is also referred to as buoyant force.

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Answer 2

Answer:

Thrust is a force or a push. When a system pushes or accelerates mass in one direction, there is a thrust (force) just as large in the opposite direction. In math and physics, this is described by Isaac Newton's second and third laws