•
Agenda:
ME 240
–
17.3 – General Motions: Velocities
•
For Wednesday
–
HW (due 11/3): 17.21, 17.26
–
Supplemental: 17.23
•
Midterm Exam Credits – due Friday, 11/5
–
5 points possible (all or none)
–
Hand in brief (2
‐
3 sentences) explanations for the answer to
each of the concept questions that you missed on the exam
l
b
d
–
Explanations must be typed
–
Concepts must be clearly explained with equations used, as
needed, to support your argument

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General Motion: Velocity
General
Planar
Motion:
•
If you have a planar rigid body, what direction can A move relative to B?
5
‐
11
5
‐
11

Pure translation
Relative motion due
to rotation
+
General Planar Motion
=
+
/
A
B
A B
r
r
r
/
A B
A
B
r
r
r
T
T
T
/
A
B
A B
v
v
v
/
A B
A
B
dr
dr
dr
dt
dt
dt
Due to rotation
5
‐
12

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