Introduction to Statics and Dynamics – Andy Ruina and Rudra Pratap – 1st Edition


In 1992 we told a textbook sales rep that we didn’t like the books. She said “Write your own.” Most people said “Don’t write a . It’s too much work, no-one will appreciate it and it will probably lose money.” Saunders contracted the and then sold it to Oxford. Now it’s ours. Most years we work together for a month or so in Ithaca, Finland, or Bangalore. We re-organized the 4 or 5 times and added a because needed help with vectors and free body diagrams. Various pre-release versions have been used at Cornell and elsewhere about 25 times. It has had about 40 external reviews. The table of contents, preface and introduction show our intentions.

The sections have been divided so that the homework selected from one section are usually about half of a typical weekly homework assignment. The theory and examples from one section might be adequately covered in about one lecture, plus or minus.

Table of Content

Part I: Basics for Mechanics
1 What is mechanics?
2 Vectors: position, force and moment
3 FBDs

Part II: Statics
4 Statics of one object
5 Trusses and frames
6 Transmissions and mechanisms
7 Tension, shear and bending moment
8 Hydrostatics

Part III: Dynamics
9 Dynamics in 1D
10 Vibrations
11 Particles in space
12 Many particles in space
13 Straight line motion
14 Circular motion of a particle
15 Circular motion of a rigid object
16 Planar motion of an object
17 Time-varying basis vectors
18 Constrained particles and rigid objects

A Units and dimensions
B Friction: perspectives on friction laws
C The simplest ODEs and their solutions
D Theorems for Systems

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