Dynamics ENGR 215, Section 01 –Goals –Start from the general and work down 1

Overview 2

Motion 3

Terms reference frame Point motion Rigid body motion 4

A point has the same velocity and acceleration relative to any fixed point in a given reference frame. 5

Curvilinear Motion 6

Angular Motion 7 θ

General Components 8

9

Coordinates 10 θ erer eθeθ θ enen etet ezez epep

Relative Motion 11

Why would we ever use relative anything? 12

General Relative Motion Rigid Body 13 rBrB rArA r A/B

Moving Reference Frame 14 rBrB rArA r A/B

Homework 1 Work Example 13.7 Derive constant acceleration equations Review vector mechanics Read Chapter 13 and skim Chapters 17 & 20 Explain cross product, dot product, and scalar product 15