30° Q 15° A 48° 40° 120 mm 200 mm
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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-Calculation of Moments
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-Free Body Diagram

Transcribed Image Text:The image depicts a bracket with two forces acting on it:
- Force P is 400 N, applied at point A, and angled 30° from the line perpendicular to the arm of the bracket.
- Force Q is 250 N, applied at point B, and angled 15° from the horizontal line through B.
Key measurements are:
- The distance from point O to A is 200 mm.
- The distance from point O to B is 120 mm.
- The angles at the bracket joints are 48° (at B) and 40° (at A).
The task is to determine the total moment of these forces about point O.
When calculating moments, consider the perpendicular component of each force to its arm's direction using the given angles. Moment is calculated as the force multiplied by the perpendicular distance from the pivot point.
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