Circular Motion (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Why does an object moving at constant speed in a circle still accelerate?
Why does an object moving at constant speed in a circle still accelerate?
Its direction continuously changes
What type of quantity is velocity?
What type of quantity is velocity?
Vector
What is the name of the resultant force in circular motion?
What is the name of the resultant force in circular motion?
Centripetal force
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 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 moving on a roundabout?
What provides centripetal force for a car moving on a roundabout?
Friction between road and tyres
What provides the centripetal force for a satellite in orbit?
What provides the centripetal force for a satellite in orbit?
Gravitational pull of Earth
How high above sea level do satellites in polar orbits travel?
How high above sea level do satellites in polar orbits travel?
km
At what speed do polar orbit satellites travel?
At what speed do polar orbit satellites travel?
Nearly m/s
How long does a geostationary satellite take to complete one orbit?
How long does a geostationary satellite take to complete one orbit?
hours
At what height above Earth are geostationary satellites positioned?
At what height above Earth are geostationary satellites positioned?
Around km