#435
Find Reaction forces on base
Free Body Diagram on right
Sum the Moments about the yaxis
.
375
4
2
*
750
0
.
4
*
.
2
*
750
0
lb
N
ft
ft
lb
N
ft
lb
N
ft
lb
M
M
C
C
C
Y
Y
=
=
=

=
=
∑
∑
Sum the moments about the xaxis
B
A
B
A
X
N
N
N
N
M
=
∴
=

=
∑
0
)
2
(
)
2
(
Sum the Forces on the body
lb
N
lb
N
N
N
N
N
N
F
C
B
A
A
A
B
A
X
375
5
.
187
375
0
750
375
=
=
=
∴
=
+
=

+
+
=
∑
#437
Find Reactions at A, B and P
Free Body Diagram
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