A particle P is attached to a wall by a light inextensible string. A horizontal force of 20 N is applied to P. The particle is in equilibrium with the string taut making a 25∘ 25^\circ\,25∘ angle with the vertical as shown in the diagram.

Find the tension in the string
Find the weight of P
108 exam-style questions on Edexcel A Level Maths Forces and Friction, covering 5.1 Resolving Forces, 5.2 Inclined Planes, and 5.3 Friction. Each one has a worked solution and a mark scheme showing where the marks go.