A rock weighs 36 N on a planet where g=6.0 N kg−1g=6.0\ \mathrm{N\,kg^{-1}}g=6.0 Nkg−1. What would it weigh where g=10 N kg−1g=10\ \mathrm{N\,kg^{-1}}g=10 Nkg−1?
6.0 N6.0\ \mathrm{N}6.0 N
60 N60\ \mathrm{N}60 N
21.6 N21.6\ \mathrm{N}21.6 N
360 N360\ \mathrm{N}360 N
103 exam-style questions on Edexcel GCSE Physics 2.3 Forces and Newton's laws, covering 2.3.1 Newton's first law, 2.3.2 Newton's second law, and 2.3.3 Weight and gravitational field strength. Each one has a worked solution and a mark scheme showing where the marks go.