The Moon moves around the Earth in a nearly circular orbit at a constant speed.
Explain why the velocity of the Moon is changing, even though its speed is constant.
State the direction of the gravitational force from the Earth on the Moon.
Explain why the gravitational force does not change the speed of the Moon.
Describe what would happen to the motion of the Moon if the gravitational force from the Earth suddenly stopped acting.
80 exam-style questions on Edexcel GCSE Physics 7.1 The Solar System and gravity, covering 7.1.1 Weight and g on different bodies in space, 7.1.2 The Solar System, 7.1.3 Changing ideas about the Solar System, 7.1.4 Orbits of moons, planets, comets and satellites, and 7.1.5 Gravity and orbital motion. Each one has a worked solution and a mark scheme showing where the marks go.