Upthrust and weight balance
What Upthrust and weight balance means in Physics GCSE, as defined for OCR.
Definition of Upthrust and weight balance
Check what you remember
Read the wording for your board, then hide it and explain Upthrust and weight balance in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
An object floats when the upthrust on it balances its weight, and sinks when its weight exceeds the maximum upthrust the fluid can supply.
Topics that use Upthrust and weight balance
- Pressure (OCR GCSE)
Related terms
- Atmospheric pressure and weight of air
- Cause-and-effect explanation
- Closed systems
- Collisions with container walls
- Comparing pressures at different heights
- Constant temperature and constant average particle speed
- Density and depth
- density comparison
Using Upthrust and weight balance in the exam
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