Question #4 A crane is used to lower weights into the sea (p = 1025 kg/m³) for an underwater construc- tion project (see figure below). You are required to calculate the tension in the rope of the crane due to a rectangular 0.4-m x 0.4-m x 3-m concrete block (p = 2300 kg/m²) when: Concrete block Concrete block Water (A) suspended in the air. (B) completely immersed in water. (4 marks] (4 marks] (C) Does the tension of the rope decreased in water? Why? How much reduction in percentage? [2 marks]

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Question #4
A crane is used to lower weights into the sea (p = 1025 kg/m³) for an underwater construc-
tion project (see figure below). You are required to calculate the tension in the rope of the
crane due to a rectangular 0.4-m x 0.4-m x 3-m concrete block (p= 2300 kg/m³) when:
41.
Rope
Concrete
block
W
Concrete
block
W
Air
Water
(A) suspended in the air.
(B) completely immersed in water.
(C) Does the tension of the rope decreased in water? Why? How much reduction in
percentage?
[2 marks]
(4 marks]
(4 marks]
Transcribed Image Text:Question #4 A crane is used to lower weights into the sea (p = 1025 kg/m³) for an underwater construc- tion project (see figure below). You are required to calculate the tension in the rope of the crane due to a rectangular 0.4-m x 0.4-m x 3-m concrete block (p= 2300 kg/m³) when: 41. Rope Concrete block W Concrete block W Air Water (A) suspended in the air. (B) completely immersed in water. (C) Does the tension of the rope decreased in water? Why? How much reduction in percentage? [2 marks] (4 marks] (4 marks]
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