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ME 274 – Fall 2009
Name
Examination No. 3
PROBLEM NO. 1
Given
:
A uniform rectangular plate of mass
m
is able to move on a smooth
HORIZONTAL
plane with corner A of the plate being constrained to move
within a smooth guide in the plane of motion. The plate is initially at rest with
edge AB aligned with the guide for A. A force
P
is applied at corner D.
Find
:
Determine the initial
angular acceleration
of the plate. Write your answer as a
vector.
Use the following parameters in your analysis:
m
=
200
kg
,
b
=
4
meters
,
h
=
3
meters
,
!
=
36.87
°
and
P
=
800
N
.
A
smooth guide for pin A
h
D
P
b
HORIZONTAL PLANE
B
E
!
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View Full DocumentME 274 – Fall 2009
Name
Examination No. 3
PROBLEM NO. 2
Given
:
Block B with mass
M
is being transported up the slope by using two cylindrical
rollers A and D, each having a mass
m
and radius
r
, as shown. A constant force
F is applied on the block and the system starts at rest. Assume that there is no
slip at all surfaces.
Find
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 Fall '09
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