Representing Terminal Velocity (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What two forces act on an object falling through a fluid?
What two forces act on an object falling through a fluid?
Weight and drag
What causes the weight of a falling object?
What causes the weight of a falling object?
Gravity
What is drag?
What is drag?
Friction between object and fluid particles
Which of these is an example of drag?
Which of these is an example of drag?
Air resistance
What does air resistance do to a falling object?
What does air resistance do to a falling object?
Opposes gravity and slows it down
How does air resistance change as speed increases?
How does air resistance change as speed increases?
It increases
Why does a dropped object initially accelerate?
Why does a dropped object initially accelerate?
Gravitational force exceeds drag force
What is the resultant force on a dropped object initially?
What is the resultant force on a dropped object initially?
Downwards
What happens to drag as the object's speed increases?
What happens to drag as the object's speed increases?
Drag increases
When is terminal velocity reached?
When is terminal velocity reached?
When drag equals gravitational force
What is the resultant force at terminal velocity?
What is the resultant force at terminal velocity?
Zero
How does an object move at terminal velocity?
How does an object move at terminal velocity?
At constant speed