1
DynamicsENGR 215, Section 01
– Goals
– Start from the general and work down
Overview
2
Newtonian Equations
Energy Methods
4
Terms
• reference frame
• Point motion
• Rigid body motion
5
A point has the same velocity and acceleration relative to any fixed point in a given reference frame.
6
Curvilinear Motion
7
Angular Motion
θ
8
General Components
10
Coordinates
θ
er
eθ
θ
en
et
ez ep
11
Relative Motion
12
Why would we ever use relative anything?
13
General Relative MotionRigid Body
rB
rA
rA/B
14
Moving Reference Frame
rB
rA
rA/B
15
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