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GCSE Physics › P.8.2 Orbital motion, natural and artificial satellites
Free AQA GCSE Physics practice questions on Orbital motion, natural and artificial satellites. Sample questions below with detailed mark schemes — sign up to practise the full set with spaced repetition.
A communications satellite is placed in a geostationary orbit above the Earth's equator. This type of satellite remains fixed above the same point on Earth's surface and is used for broadcasting television signals and weather monitoring.
The International Space Station (ISS) orbits Earth at an altitude of approximately 400 km above the surface. It completes one full orbit every 90 minutes. Scientists need to understand the orbital characteristics of the ISS to plan satellite operations and ensure safe navigation in space.
The International Space Station (ISS) orbits Earth at an altitude of approximately 400 km. It completes one orbit every 90 minutes and remains in a stable circular orbit without the need for continuous thrust. The station's orbit is maintained by the gravitational force between Earth and the ISS.
A communications satellite orbits Earth at a fixed position above the equator, always remaining above the same location on the ground. This type of satellite is called a geostationary satellite and is used for broadcasting television signals and weather monitoring.