Representing Terminal Velocity (AQA GCSE Physics): Flashcards
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Practise the cards
13 cards from this deck
Two forces on object falling through fluid
Two forces on object falling through fluid
Weight and drag
What is weight due to
What is weight due to
Gravity
What direction does weight act
What direction does weight act
Downwards
What is drag?
What is drag?
Friction between object and fluid particles
Example of drag
Example of drag
Air resistance
What does air resistance oppose
What does air resistance oppose
Force of gravity
How air resistance changes with speed
How air resistance changes with speed
Increases as speed increases
Why an object initially accelerates when dropped
Why an object initially accelerates when dropped
Gravitational force exceeds drag force
Direction of initial resultant force
Direction of initial resultant force
Downwards
What happens to drag as speed increases
What happens to drag as speed increases
Drag increases
When is terminal velocity reached
When is terminal velocity reached
When drag force equals force due to gravity
Resultant force at terminal velocity
Resultant force at terminal velocity
No resultant force (forces balanced)
What is terminal velocity?
What is terminal velocity?
Maximum speed/constant speed of falling object