Problem 1: The The uniform 30-kg ventilation door OAP is opened by the mechanism shown. Plot the required force in the cylinder DE as a function of the door opening angle over the range 0 < 0 < ®max, where 0max is the maximum opening. Determine the minimum and maximum values of this force and the angles at which these extremes occur. Note that the cylinder is not horizontal when 0 = 0.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter4: Coplanar Equilibrium Analysis
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Problem 1: The The uniform 30-kg ventilation door OAP is opened by the mechanism shown. Plot the
required force in the cylinder DE as a function of the door opening angle over the range 0 < 0 < Omax,
where 0max is the maximum opening. Determine the minimum and maximum values of this force and the
angles at which these extremes occur. Note that the cylinder is not horizontal when 0 = 0.
- 275
525
A
OB
300
E
D
100
350
400 -
AB = 300
CD = DB = 150
%3D
Dimensions in millimeters
Transcribed Image Text:Problem 1: The The uniform 30-kg ventilation door OAP is opened by the mechanism shown. Plot the required force in the cylinder DE as a function of the door opening angle over the range 0 < 0 < Omax, where 0max is the maximum opening. Determine the minimum and maximum values of this force and the angles at which these extremes occur. Note that the cylinder is not horizontal when 0 = 0. - 275 525 A OB 300 E D 100 350 400 - AB = 300 CD = DB = 150 %3D Dimensions in millimeters
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