A parachutist falls through the air with an open parachute. Which force acting on the parachutist is a non-contact force?
The tension acting in the cords of the parachute
The friction between the harness and the cords
The weight acting downwards on the parachutist
The air resistance acting upwards on the parachute
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.