2 2". 3" B 30° 1.8 lb D A 1.8-lb vertical force is applied to the knob of the window-opener mechanism when the crank BC is horizontal.
2 2". 3" B 30° 1.8 lb D A 1.8-lb vertical force is applied to the knob of the window-opener mechanism when the crank BC is horizontal.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Q2. Find the magnitude of the moment about BC.
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