Circular Orbits (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What causes planets, moons, and satellites to orbit in circular paths?
What causes planets, moons, and satellites to orbit in circular paths?
Force of gravity
What orbits around planets in almost circular paths?
What orbits around planets in almost circular paths?
Moons and artificial satellites
What happens to an object travelling at constant speed in a circle?
What happens to an object travelling at constant speed in a circle?
Velocity is changing
Why does velocity change for an object in circular motion?
Why does velocity change for an object in circular motion?
Direction is changing
What prevents a planet from flying off into space?
What prevents a planet from flying off into space?
Force of gravity towards the sun
What combination causes a planet to travel in a circular path?
What combination causes a planet to travel in a circular path?
Momentum and force of gravity
Why does a planet continue at constant speed in orbit?
Why does a planet continue at constant speed in orbit?
No friction or air resistance in space
How does gravitational force change as you get closer to a star or planet?
How does gravitational force change as you get closer to a star or planet?
Gets stronger
What must happen to orbital speed as gravitational force increases?
What must happen to orbital speed as gravitational force increases?
Speed must increase
What happens to the radius of orbit as the object's speed increases?
What happens to the radius of orbit as the object's speed increases?
Radius decreases