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PROBLEM 10.19
A 1kip force
P
is applied as shown to the piston of the engine system.
Knowing that
2.5 in.
AB
=
and
10 in.
BC
=
, determine the couple
M
required to maintain the equilibrium of the system when (
a
)
30 ,
θ
=°
(
b
)
150 .
SOLUTION
Analysis of the geometry:
Law of Sines
sin
sin
A
BB
C
φ
=
sin
sin
AB
BC
=
(1)
Now
cos
cos
C
xA
B
B
C
=+
sin
sin
C
B
B
C
δ
θδθ
φδφ
=−
−
(2)
Now, from Equation (1)
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This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.
 Spring '08
 Jenkins
 Statics

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