Describing Motion (AQA GCSE Physics): Quizzes
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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 accelerate?
Why does an object moving at constant speed in a circle accelerate?
Its direction continuously changes
Why is velocity described as a vector quantity?
Why is velocity described as a vector quantity?
It has magnitude and direction
What is the resultant force in circular motion called?
What is the resultant force in circular motion called?
Centripetal force
In which direction does centripetal force act?
In which direction does centripetal force act?
Towards the centre of the circle
What happens to an object in circular motion without centripetal force?
What happens to an object in circular motion without centripetal force?
Moves 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 on a roundabout?
What provides centripetal force for a car on a roundabout?
Friction between road and tyres
What provides centripetal force for a satellite in orbit?
What provides centripetal force for a satellite in orbit?
Gravitational pull of Earth
How high above sea level do polar orbit satellites travel?
How high above sea level do polar orbit satellites 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
What altitude do geostationary satellites orbit at?
What altitude do geostationary satellites orbit at?
Around km