01Space, time and motion10 questionsA.2 Forces and momentum10 questionsStartChoose a focusNewton’s laws1 questionInteraction pairs1 questionStatic friction1 questionForce calculations1 questionForce-time data1 questionResistive forces1 questionDynamics investigations1 questionMomentum conservation1 questionInelastic collisions1 questionEvaluating force models1 question