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Chapter 1: Force systems and equilibrium

10 lessons in Engineering Mechanics. Work through them in order; each builds on the one before.

1. 1.1 Scope of mechanics, idealisations (particle, rigid body, continuum) and SI units
2. 1.2 Vectors and representation of forces
3. 1.3 Resultant of coplanar concurrent forces
4. 1.4 Moment of a force and Varignon's theorem
5. 1.5 Couples and force-couple systems
6. 1.6 Resultant of coplanar non-concurrent force systems
7. 1.7 Free-body diagrams
8. 1.8 Equilibrium of a particle and Lami's theorem
9. 1.9 Equilibrium of rigid bodies in 2D and support reactions
10. 1.10 Introduction to 3D force systems