4/102 The 80-kg ventilation door OD with mass center at G is held in the open position shown by means of a moment M applied at A to the opening linkage. Member AB is parallel to the door for the 30° posi- tion shown. Determine M. 0.6 m 0.4 m M 0.4 m C 0.9 m 0.8 m B 30 D
4/102 The 80-kg ventilation door OD with mass center at G is held in the open position shown by means of a moment M applied at A to the opening linkage. Member AB is parallel to the door for the 30° posi- tion shown. Determine M. 0.6 m 0.4 m M 0.4 m C 0.9 m 0.8 m B 30 D
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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First we will disember device and free body diagram to determine force in member BC
VIEWBy equating moment about point O to zero we will elimate reaction force so we will determine
VIEWForce BC makes angle (beta) with perpendicular to member AB
VIEWBy equating sum of moment about A to zero we elimate reaction force of A
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