Question

Is upthrust and buoyant force mean the same?

Answer 1

1. Yes, Upthrust, also known as the buoyant force, is the force exerted by a fluid on an object.
2. As the term suggests, upthrust always acts upwards.
3. Therefore, upthrust always acts against the weight of an object.
4. Due to the buoyant force, a body submerged partially or fully in a fluid appears to lose its weight, i.e. appears to be lighter.
5. The buoyancy of a given object in a particular fluid is determined by the upthrust acting on the object.