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Question 72

Three forces act on an object F1=−4i−8j+7k\mathbf{F}_1 = -4\mathbf{i} - 8\mathbf{j} + 7\mathbf{k}F1​=−4i−8j+7k, F2=6i+3j−k\mathbf{F}_2 = 6\mathbf{i} + 3\mathbf{j} - \mathbf{k}F2​=6i+3j−k and F3=5i+9j+2k\mathbf{F}_3 = 5\mathbf{i} + 9\mathbf{j} + 2\mathbf{k}F3​=5i+9j+2k

Find the resultant force.

[3]
Markscheme

Vectors Questions

  1. A Level
  2. /Maths
  3. /Vectors

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.

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