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EAS 208 (Fall 2010)
Homework #3
Due:
Wednesday, September 22 at beginning of class
Study:
Chapters 13, 14.1–14.2 (Bedford and Fowler, 5
th
edition)
Solve Problems:
13.142, 13.153, 13.160
Solve and Submit Problems 3–1 and 3–2 below
Problem 3–1
Rod
rotates about
O
and its rotation is defined by the relation
. Collar
OA
4
trad
θ
=
B
slides along the rod
so that the distance from
is given by the relation
. Determine:
OA
O
3
41
0
rt
t
m
m
=+
a)
The velocity and acceleration of collar
B
at
1
ts
=
b)
The acceleration of collar
B
relative to rod
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 Fall '08
 MehdiAhmadizadeh

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