1. A rigid block is attached to three cables as shown in the figure below. (a) Determine the ratio of the force in the steel cable to the force in each bronze cables. (b) Determine the stress in the steel cable. (c) Calculate for the elongation of each cable. 0.80 m BRONZE: Area = 500 mm² E=83 GPa 1.20 m STEEL: Area = 1200 mm2 E=200GPA 280.50 kN BRONZE

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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PART II. Answer the following situational analysis. Show your complete
solution and box your final answers.
1. A rigid block is attached to three cables as shown in the figure below. (a)
Determine the ratio of the force in the steel cable to the force in each
bronze cables. (b) Determine the stress in the steel cable. (c) Calculate for
the elongation of each cable.
0.80 m
BRONZE:
Area = 500 mm²
E=83 GPa
1.20 m
STEEL:
Area = 1200 mm2
E=200GPa
280.50 kN
2. Determine the diameter of a solid steel shaft that will transmit 150kW at a
speed of 3 revolutions per second. If the allowable shearing stress is 85MPA.
Also, determine the dimensions of a hollow steel shaft whose inside
diameter is three-fourths of its outside diameter for the same conditions.
What is the ratio of the angles of twist per unit length for these two shafts?
STEEL
BRONZE
Transcribed Image Text:PART II. Answer the following situational analysis. Show your complete solution and box your final answers. 1. A rigid block is attached to three cables as shown in the figure below. (a) Determine the ratio of the force in the steel cable to the force in each bronze cables. (b) Determine the stress in the steel cable. (c) Calculate for the elongation of each cable. 0.80 m BRONZE: Area = 500 mm² E=83 GPa 1.20 m STEEL: Area = 1200 mm2 E=200GPa 280.50 kN 2. Determine the diameter of a solid steel shaft that will transmit 150kW at a speed of 3 revolutions per second. If the allowable shearing stress is 85MPA. Also, determine the dimensions of a hollow steel shaft whose inside diameter is three-fourths of its outside diameter for the same conditions. What is the ratio of the angles of twist per unit length for these two shafts? STEEL BRONZE
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