If a load of 60 kN is applied to a rigid bar suspended by 3 wires as shown in the above figure what force will be resisted by each wire? The outside wires are of Al, cross- sectional area 300 mm² and length 4 m. The central wire is steel with area 200 mm² and length 8 m Initially there is no slack in the wires E= 2x105 N/mm2 for Steel = 0.667 x 105 N/mm² for Aluminum 60 KN Alum, wires Steel wire

Structural Analysis
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Chapter2: Loads On Structures
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9.
If a load of 60 kN is applied to a rigid
bar suspended by 3 wires as shown
in the above figure what force will
be resisted by each wire?
The outside wires are of Al, cross-
sectional area 300 mm² and length 4
m. The central wire is steel with area
200 mm² and length 8 m
Initially there is no slack in the
wires E= 2x105 N/mm² for Steel
= 0.667x105 N/mm2 for Aluminum
60 kN
Alum, wires
Steel wire
Transcribed Image Text:9. If a load of 60 kN is applied to a rigid bar suspended by 3 wires as shown in the above figure what force will be resisted by each wire? The outside wires are of Al, cross- sectional area 300 mm² and length 4 m. The central wire is steel with area 200 mm² and length 8 m Initially there is no slack in the wires E= 2x105 N/mm² for Steel = 0.667x105 N/mm2 for Aluminum 60 kN Alum, wires Steel wire
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