Archimedes' principle says the upward force equals the weight of the:
AAir above it
BDisplaced fluid
CSubmerged body
DVessel itself
Answer & Solution
Correct answer: B. Displaced fluid
1. The body pushes some fluid out of the way.
2. That fluid's weight is what the fluid pushes back with.
3. So the buoyant force equals the weight of displaced fluid.
_Source: syllabus Physics Part II, Chapter 10, Mechanical Properties of Fluids._
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