Which statement about artificial satellites is correct?
They are made by humans and are held in orbit by the solar wind.
They occur naturally and are held in orbit by the force of gravity.
They occur naturally and are held in orbit by the Earth's magnetism.
They are made by humans and are held in orbit by the force of gravity.
41 exam-style questions on AQA GCSE Physics 8.1 Solar system; stability of orbital motions; satellites, covering 8.1.1 Our solar system, 8.1.2 The life cycle of a star, and 8.1.3 Orbital motion, natural and artificial satellites. Each one has a worked solution and a mark scheme showing where the marks go.