Two forces P and Q act on a particle. The force P has magnitude 7 N and acts due north. The resultant of P and Q is a force of magnitude 10 N acting in a direction with bearing 120∘120^\circ120∘.
Find the magnitude of Q.
Find the direction of Q, giving your answer as a bearing.
Practise Edexcel A Level Old Maths Resolving Forces with exam-style questions for A Level Old Maths. 1 question, matched to the Edexcel A Level Old Maths (9371) specification and written in Unit exams C1, C2, C3 and C4 plus two applied units (e.g. S1 and M1) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.