Mathematics (AS & A Level) · Oct / Nov 2025 · Paper 42 · Question 7

P 30° 45° 20° 15 N 25 N 30 N 20 N P a° S N Fig. 7.1 Fig. 7.2 Four coplanar forces of magnitudes 20 N, 30 N, 15 N and 25 N act at a point P in the directions shown in Fig. 7.1. The forces act in a vertical plane. The resultant of these forces has magnitude S N and acts at an angle ° a below the horizontal as shown in Fig. 7.2.

Read automatically from the paper; the printed page above is exact.