Calculate the force and moment reactions at the bolted base O of the overhead traffice-signal assembly. Each traffic signal has a mass of 39 kg, while the masses of members OC and AC are 66 and 57 kg, respectively. Positive answers are to the right, up, and counterclockwise. A 39 kg Answers: Oy= Mo= i i 6.5 m 39 kg B 1.0 m kN kN kN.m 57 kg 5.5 m 66 kg C O 7.6 m

Elements Of Electromagnetics
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Calculate the force and moment reactions at the bolted base O of the overhead traffice-signal assembly. Each traffic signal has a mass
of 39 kg, while the masses of members OC and AC are 66 kg and 57 kg, respectively. Positive answers are to the right, up, and
counterclockwise.
A
39 kg
Answers:
Oy=
Mo=
i
i
6.5 m
39 kg
B
1.0 m
kN
kN
kN.m
57 kg
5.5 m
66 kg
C
O
7.6 m
Transcribed Image Text:Calculate the force and moment reactions at the bolted base O of the overhead traffice-signal assembly. Each traffic signal has a mass of 39 kg, while the masses of members OC and AC are 66 kg and 57 kg, respectively. Positive answers are to the right, up, and counterclockwise. A 39 kg Answers: Oy= Mo= i i 6.5 m 39 kg B 1.0 m kN kN kN.m 57 kg 5.5 m 66 kg C O 7.6 m
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