A drawer slides horizontally into a cabinet until its back panel presses against a rubber stop fixed to the back wall of the cabinet.
Which statement describes the normal contact force that the drawer experiences at the rubber stop?
It is a push by the drawer on the rubber stop, at right angles to the touching surfaces.
It is a force by the rubber stop on the drawer, acting along the touching surfaces.
It is a push by the rubber stop on the drawer, acting vertically upwards.
It is a push by the rubber stop on the drawer, at right angles to the touching surfaces.
93 exam-style questions on Edexcel GCSE Physics 9.1 Forces and vectors, covering 9.1.1 Interactions and types of force, 9.1.2 Vector and scalar quantities, and 9.1.3 Vector diagrams and free body diagrams. Each one has a worked solution and a mark scheme showing where the marks go.