In a region with magnetic declination of 2 °E, the magnetic Force Bearing FB) of a line AB was measured as N79 °5'E. There was loc attraction at A. To determine the correct magnetic bearing to the line, a point O was selected at which there was no local attraction The magnetic FB of line AO and OA were observed to be $52 °40" and N50 °20'W, respectively. What is the true FB of line AB?
In a region with magnetic declination of 2 °E, the magnetic Force Bearing FB) of a line AB was measured as N79 °5'E. There was loc attraction at A. To determine the correct magnetic bearing to the line, a point O was selected at which there was no local attraction The magnetic FB of line AO and OA were observed to be $52 °40" and N50 °20'W, respectively. What is the true FB of line AB?
Chapter6: Deflections Of Beams: Geometric Methods
Section: Chapter Questions
Problem 39P
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Transcribed Image Text:Problem-7.
In a region with magnetic declination of 2 °E, the magnetic Force
Bearing FB) of a line AB was measured as N79 °5'E. There was local
attraction at A. To determine the correct magnetic bearing to the
line, a point O was selected at which there was no local attraction.
The magnetic FB of line AO and OA were observed to be S52 °40'E
and N50 °20'W, respectively. What is the true FB of line AB?
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