Tài liệu Introduction To Statics And Dynamics P1 ppt

... machines, structures, plants, animals and planets hold together and move about 1 Introduction to STATICS and DYNAMICS F 1 F 2 N 1 N 2  F s  M s ˆ ı ˆ  ˆ k Andy Ruina and Rudra Pratap Pre-print for ... tools: • A vector calculator that always keeps vectors and scalars distinct, and • A reliable and clear free body diagram drawing tool. Because manyof the terms in mecha...

Ngày tải lên: 25/01/2014, 15:20

... of two vectors 23 2.2 The dot product of two vectors The dot product is used to project a vector in a given direction, to reduce a vector to components, to reduce vector equations to scalar equations, ... main mathematical tool here is the vector cross product, a second way of multiplying vectors together. The cross product is used to define (and calculate) moment and to calcu...

Ngày tải lên: 25/01/2014, 15:20

... machines, structures, plants, animals and planets hold together and move about 1 Introduction to STATICS and DYNAMICS F 1 F 2 N 1 N 2  F s  M s ˆ ı ˆ  ˆ k Andy Ruina and Rudra Pratap Pre-print for ... tools: • A vector calculator that always keeps vectors and scalars distinct, and • A reliable and clear free body diagram drawing tool. Because manyof the terms in mecha...

Ngày tải lên: 12/03/2014, 18:23

... bodies; and forks, to move potatoes. A connecting rod is designed to move a crankshaft; a crankshaft, to move a transmission; and a transmission, to move a wheel. And wheels are designed to move ... mechanics problems are two well worn tools: • A vector calculator that always keeps vectors and scalars distinct, and • A reliable and clear free body diagram drawing tool. B...

Ngày tải lên: 08/04/2014, 11:26

... ABCand D are constants and λ = √ k/m. We need initial conditions to evaluate the constants ABCand D. Since the mass starts at t = 0 from the rest position when θ = θ o , x(0) =− cos θ o and ... calculator using trial and error. Here is a M ATLAB script which finds t f and plots the path of the collar from t = 0stot = t f : tf = fzero(’slidebar’,2); % run built-in function fzero % t...

Ngày tải lên: 08/04/2014, 11:26

... turning? You may assume that the bearing shaft touches the hole in the pulley at only one point. ∗ . Introduction to STATICS and DYNAMICS Problem Book Rudra Pratap and Andy Ruina Spring 2001 Problems for ... sinωt, where A and B are constants to be determined from initial conditions. Assume A and B are the only unknowns and write the equations in matrix form to solve for...

Ngày tải lên: 08/04/2014, 11:27

... 118 Primary and secondary cells 119 The Weston standard cell 120 Storage capacity 120 Common dime-store cells and batteries 122 Miniature cells and batteries 124 Lead-acid cells and batteries ... 205 Ceramic capacitors 205 Plastic-film capacitors 206 Electrolytic capcitors 206 Tantalum capacitors 206 Semiconductor capacitors 207 Variable capacitors 207 Tolerance 209 Temperature coeffi...

Ngày tải lên: 13/12/2013, 01:15

... method, which is called in response to a button click. We check which button the user clicked; if the user clicked the Copy button, we read the text field tf and use it to create a new StringSelection named ... Reading and Writing the Clipboard One feature that was missing from Java 1.0 was the ability to access the system clip- board. It was impossible to cut and paste data from...

Ngày tải lên: 21/01/2014, 06:20

... practice and a set of tools that allows developers to automate and monitor their build and test strategies Summary This is a book about object-oriented design and programming. It is also about tools ... effortlessly to meet them. Testing and build are all very well, but you have to install and run your tests, and keep on doing so in order to reap the benefits. It’s...

Ngày tải lên: 21/01/2014, 16:20

... Modify tools 91 Introduction 92 The Copy tool 92 The Mirror tool 94 The O set tool 96 The Array tool 97 The Move tool 101 The Rotate tool 102 The Scale tool 103 The Trim tool 104 The Stretch tool ... 33 The Erase tool 35 Undo and Redo tools 37 Drawing with the Polyline tool 38 Exercises 44 Chapter 3 Draw tools, Object Snap and Dynamic Input 47 Introduction 48 The Arc tool 49 The Elli...

Ngày tải lên: 24/12/2013, 17:15