Pressure in a Liquid (AQA GCSE Physics): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
ShowHide
Practise the cards
12 cards from this deck
Condition for object to float
Condition for object to float
Weight < weight of water displaced
Buoyancy force
Buoyancy force
Upward force counteracting weight of floating object
Buoyancy force equals
Buoyancy force equals
Weight of fluid displaced by object
Pressure in liquid varies with
Pressure in liquid varies with
Depth and density
Formula for pressure in liquid
Formula for pressure in liquid
Unit for pressure
Unit for pressure
Pascals (Pa)
Unit for density
Unit for density
Normal value of
Normal value of
10 N/kg
Upthrust
Upthrust
Resultant upward force on submerged object
Cause of upthrust
Cause of upthrust
Greater pressure on bottom than top of object
Why pressure increases with depth
Why pressure increases with depth
Greater weight of water above
Atmospheric pressure with altitude
Atmospheric pressure with altitude
Decreases: fewer air molecules above