Three forces act on an object F1=−i+2j+k\mathbf{F}_1 = -\mathbf{i} + 2\mathbf{j} + \mathbf{k}F1=−i+2j+k, F2=2i+j−k\mathbf{F}_2 = 2\mathbf{i} + \mathbf{j} - \mathbf{k}F2=2i+j−k and F3=i−j+2k\mathbf{F}_3 = \mathbf{i} - \mathbf{j} + 2\mathbf{k}F3=i−j+2k
Find the resultant force.
309 exam-style questions on Edexcel A Level Maths Vectors, covering 12.1 3D Coordinates, 12.2 Vectors in 3D, 12.3 Solving Geometric Problems, and 12.4 Application to Mechanics. Each one has a worked solution and a mark scheme showing where the marks go.