An instrument in a weather satellite orbiting Mars weighs 18 N. The gravitational field strength at the altitude of the satellite is 1.2 N/kg.
The gravitational field strength on Mars's surface is 3.7 N/kg.
What are the mass and the weight of the instrument on Mars's surface?
mass = 15 kg15\text{ kg}15 kg, weight = 18 N18\text{ N}18 N
mass = 15 kg15\text{ kg}15 kg, weight = 55.5 N55.5\text{ N}55.5 N
mass = 21.6 kg21.6\text{ kg}21.6 kg, weight = 18 N18\text{ N}18 N
mass = 21.6 kg21.6\text{ kg}21.6 kg, weight = 80 N80\text{ N}80 N
209 exam-style questions on CIE IGCSE Physics Mass and weight, covering Mass and weight. Each one has a worked solution and a mark scheme showing where the marks go.