A tool weighs 45 N on the Earth, where g=10 N/kgg=10\ \mathrm{N/kg}g=10 N/kg. The tool is taken to the Moon, where g=1.6 N/kgg=1.6\ \mathrm{N/kg}g=1.6 N/kg. What is its weight on the Moon?
2.8 N2.8\ \mathrm{N}2.8 N
28 N28\ \mathrm{N}28 N
7.2 N7.2\ \mathrm{N}7.2 N
72 N72\ \mathrm{N}72 N
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.