Three forces (7i+4pj)(7\mathbf{i} + 4p\mathbf{j})(7i+4pj) N, (−5i+6j)(-5\mathbf{i} + 6\mathbf{j})(−5i+6j) N and (3qi+2j)(3q\mathbf{i} + 2\mathbf{j})(3qi+2j) N act on a particle CCC.
Given C C\,C is in equilibrium, find the values of p p\,p and qqq.
30 exam-style questions on Edexcel AS Level Maths Forces and Motion, covering 10.1 Force Diagrams, 10.2 Forces as Vectors, 10.3 Forces and Acceleration, 10.4 Motion in 2 Dimensions, 10.5 Connected Particles, and 10.6 Pulleys. Each one has a worked solution and a mark scheme showing where the marks go.