An empty delivery van has mass m m\,m and accelerates at a a\,a when the resultant force on it is FFF. Parcels are loaded into the van so that its total mass becomes 1.25m. What resultant force would give the loaded van an acceleration of 2a2a2a?
2.5F2.5F2.5F
0.4F0.4F0.4F
1.6F1.6F1.6F
2F2F2F
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.