1.4.24 - Upthrust and displaced fluid

Understand how to use the relationship upthrust = weight of fluid displaced.

Use - upthrust and displaced fluid to connect the rule to the data and decision in the question.

This matters because - upthrust and displaced fluid determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply - upthrust and displaced fluid to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: - Upthrust and displaced fluid is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.