The weight of an object and the mass of an object are directly proportional. On one planet a rock of mass 4.0 kg has a weight of 39 N. What is the weight of a rock of mass 10.0 kg on the same planet?
15.6 N
45.0 N
97.5 N
390.0 N
40 exam-style questions on AQA GCSE Physics 5.1 Forces and their interactions, covering 5.1.1 Scalar and vector quantities, 5.1.2 Contact and non-contact forces, 5.1.3 Gravity, and 5.1.4 Resultant forces. Each one has a worked solution and a mark scheme showing where the marks go.