Circular Motion (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why does an object moving in a circle at constant speed still accelerate?
Why does an object moving in a circle at constant speed still accelerate?
Its direction continuously changes
In which direction does centripetal force act?
In which direction does centripetal force act?
Towards the centre of the circle
What would happen to an object in circular motion if centripetal force stopped acting?
What would happen to an object in circular motion if centripetal force stopped acting?
It would move off in a straight line
What provides the centripetal force for a conker on a string?
What provides the centripetal force for a conker on a string?
Tension in the string
What provides centripetal force for a car turning on a roundabout?
What provides centripetal force for a car turning on a roundabout?
Friction between road and tyres
What provides the centripetal force for a satellite orbiting Earth?
What provides the centripetal force for a satellite orbiting Earth?
Gravitational pull of Earth
How high above sea level are polar orbit satellites?
How high above sea level are polar orbit satellites?
200 km
At what speed do polar orbit satellites travel?
At what speed do polar orbit satellites travel?
Nearly 8,000 m/s
How long does a geostationary satellite take to complete one orbit?
How long does a geostationary satellite take to complete one orbit?
24 hours
How high above Earth are geostationary satellites positioned?
How high above Earth are geostationary satellites positioned?
About 36,000 km