1. In a room with a ceiling height of 2.6 meter, a 2.5 meter plank is supported by a cable attached to the ceiling and box, as shown in the figure. If the cable is 0.945 meters in length and the height of the box is 0.8 meters, (a) determine the weight of the plank when cable A exerts a force of 100 N. (b) Determine the vertical force (perpendicular to the horizontal ground) exerted by the Box on the plank. Note: Neglect the thickness of the plank A P B

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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1. In a room with a ceiling height of 2.6 meter, a 2.5
meter plank is supported by a cable attached to the
ceiling and box, as shown in the figure. If the cable
is 0.945 meters in length and the height of the box
is 0.8 meters, (a) determine the weight of the plank
when cable A exerts a force of 100 N. (b) Determine
the vertical force (perpendicular to the horizontal
ground) exerted by the Box on the plank.
Note: Neglect the thickness of the plank
A
B
Transcribed Image Text:1. In a room with a ceiling height of 2.6 meter, a 2.5 meter plank is supported by a cable attached to the ceiling and box, as shown in the figure. If the cable is 0.945 meters in length and the height of the box is 0.8 meters, (a) determine the weight of the plank when cable A exerts a force of 100 N. (b) Determine the vertical force (perpendicular to the horizontal ground) exerted by the Box on the plank. Note: Neglect the thickness of the plank A B
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