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The massless plate is attached to the wall (xz plane) by the hinges A and B that rest on an axis 20° down from the x axis. An external force is acting through point D as shown. The tension force existing in the rope is 100 lb. (a) Calculate the resultant moment (MR)A about point A in Cartesian vector form from the two forces acting on the plate. 6 ft 201 – 60j (Ib) (b) Determine the magnitude of the resultant moment from the two forces that acts about the AB axis, MAB. E y 2 ft 4 ft B. 20 4 ft

The massless plate is attached to the wall (xz plane) by the hinges A and B that rest on an axis 20° down from the x axis. An external force is acting through point D as shown. The tension force existing in the rope is 100 lb. (a) Calculate the resultant moment (MR)A about point A in Cartesian vector form from the two forces acting on the plate. 6 ft 201 – 60j (Ib) (b) Determine the magnitude of the resultant moment from the two forces that acts about the AB axis, MAB. E y 2 ft 4 ft B. 20 4 ft

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The massless plate is attached to the wall (xz plane) by the hinges A and B that rest on an axis 20° down from the x axis. An external force is acting through point D as shown. The tension force existing in the rope is 100 lb. (a) Calculate the resultant moment (MR)A about point A in Cartesian vector form from the two forces acting on the plate. 6 ft 20i – 60j (Ib) (b) Determine the magnitude of the resultant moment from the two forces that acts about the AB axis, MAB. D y 4 ft 2 ft B 20° 4 ft
Transcribed Image Text:The massless plate is attached to the wall (xz plane) by the hinges A and B that rest on an axis 20° down from the x axis. An external force is acting through point D as shown. The tension force existing in the rope is 100 lb. (a) Calculate the resultant moment (MR)A about point A in Cartesian vector form from the two forces acting on the plate. 6 ft 20i – 60j (Ib) (b) Determine the magnitude of the resultant moment from the two forces that acts about the AB axis, MAB. D y 4 ft 2 ft B 20° 4 ft
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