Lesson 4.8.1.3
4.8.1.3 Orbital motion, natural and artificial satellites Quiz: AQA Physics, Unit 8
20 questions
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Lesson 4.8.1.3, Orbital motion, natural and artificial satellites: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 8: Space physics (physics only), written with Revision Ninja.
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The 20 questions
-
What is the name of the force that acts towards the centre of a circular orbit?
- Tension in string
- Frictional force
- Magnetic force
- Centripetal force
-
Which pair consists entirely of natural satellites?
- GPS and ISS
- Moon and Europa
- Moon and ISS
- Hubble and Europa
-
What force keeps both natural moons and artificial satellites in orbit?
- Magnetism
- Gravity
- Air resistance
- Electrostatic force
-
Why do orbiting planets travel in circular paths rather than straight lines?
- Centrifugal push
- Gravitational pull
- Magnetic drag
- Solar wind
-
What primary feature is shared by both planets and natural satellites?
- Having atmospheres
- Supporting life
- Orbiting a larger body
- Generating light
-
What force provides the path for planets, moons and artificial satellites?
- Magnetism
- Air resistance
- Gravity
- Friction
-
Which objects are human-made and placed into orbit around planets?
- Asteroids
- Artificial satellites
- Dwarf planets
- Natural moons
-
What does a natural satellite such as a moon orbit?
- A comet
- A meteor
- A planet
- A nebula
-
A satellite moves in a circular orbit at constant speed. What happens to its velocity?
- It constantly changes direction
- It increases continuously
- It drops to zero
- It remains completely constant
-
If a stable satellite moves to an orbit with a larger radius, what happens to its speed?
- It decreases
- It increases
- It stays the same
- It drops to zero
-
What primary force holds an artificial satellite in orbit around Earth?
- Electrostatic force
- Tension
- Upthrust
- Gravity
-
What path would an orbiting satellite take if gravity suddenly stopped acting?
- Random zigzag
- Perfect circle
- Spiral inward
- Straight line
-
What fundamental force governs the orbital motion of both planets and moons?
- Magnetic force
- Friction
- Electrostatic force
- Gravity
-
Why do orbiting bodies stay in orbit instead of flying off into space?
- Atmospheric push
- Continuous free fall
- Constant engine thrust
- Magnetic repulsion
-
A moon orbits Jupiter, which orbits the Sun. What force keeps the moon orbiting Jupiter?
- Solar wind pressure
- Jupiter's magnetism
- Jupiter's gravity
- Sun's gravity
-
In a circular satellite orbit, what is the angle between the gravitational force and velocity?
- Forty five degrees
- Opposite
- Parallel
- Right angles
-
Why do astronauts appear weightless inside an orbiting spacecraft?
- Magnetic repulsion
- Free fall
- Terminal velocity
- Zero gravity
-
(HT) For a stable circular orbit, what must gravity supply?
- Terminal velocity
- Magnetic induction
- Centripetal force
- Frictional drag
-
What defines a natural satellite?
- Communication dish
- Man-made probe
- Space station
- Natural celestial body
-
What is the direction of acceleration for an object in a stable circular orbit?
- Towards the centre
- Parallel to motion
- Away from centre
- Tangential to orbit
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