What is the reaction force at joint A and the reaction force at joint I. What is the C and T, X and Y components, the load and the length of each member. ### Truss Bridge Analysis#### Diagram OverviewThe truss diagram illustrates a symmetrical bridge structure, indicating various joints and members, as well as the forces acting on them. The bridge spans 12.00 units horizontally, with an additional span of 3.02 units at the right end. #### Angles- Angle at Joint A: 45°- Angle at Joint B: 70°- Angle at Joint E: 36.62°#### Forces- Downward force of 20 lbs at Joint C- Downward force of 30 lbs at Joint E#### Reactions- Reaction force at Joint A? - Reaction force at Joint I?#### Equations and CalculationsThe following equilibrium equations are provided:- ΣFx = 0- ΣFy = 0- ΣM = 0To check the stability:\[ 2(j) = m + 3 \]- \( j \) = number of joints- \( m \) = number of members#### Members List| Member | C or T | X | Y | Load | Length ||--------|--------|---|---|------|--------|| AB | | | | | || AC | | | | | || BC | | | | | || BD | | | | | || CD | | | | | || CE | | | | | || DE | | | | | || DF | | | | | || FE | | | | | || FH | | | | | || EH | | | | | || EG | | | | | || HG | | | | | || HJ | | | | | || GJ | | | | | || GI | | | | | || JI | | | | | |#### InstructionTitle: *This bridge is symmetrical but the forces are not

given; lets take vertical reaction force at A=RAlets take vertical reaction force at…

Answered: Reaction Force at Joint A? Reaction…

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Mechanical Engineering

Reaction Force at Joint A? Reaction Force at Joint I? 70° 45° O C 20 lbs -12.00- 36.62⁰ F E 30 lbs H G -3.02-

Elements Of Electromagnetics

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ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Section: Chapter Questions

Problem 1.1MA

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Question

What is the reaction force at joint A and the reaction force at joint I. What is the C and T, X and Y components, the load and the length of each member.

### Truss Bridge Analysis

#### Diagram Overview
The truss diagram illustrates a symmetrical bridge structure, indicating various joints and members, as well as the forces acting on them. The bridge spans 12.00 units horizontally, with an additional span of 3.02 units at the right end.

#### Angles
- Angle at Joint A: 45°
- Angle at Joint B: 70°
- Angle at Joint E: 36.62°

#### Forces
- Downward force of 20 lbs at Joint C
- Downward force of 30 lbs at Joint E

#### Reactions
- Reaction force at Joint A?
- Reaction force at Joint I?

#### Equations and Calculations
The following equilibrium equations are provided:
- ΣFx = 0
- ΣFy = 0
- ΣM = 0

To check the stability:
\[ 2(j) = m + 3 \]
- \( j \) = number of joints
- \( m \) = number of members

#### Members List
| Member | C or T | X | Y | Load | Length |
|--------|--------|---|---|------|--------|
| AB | | | | | |
| AC | | | | | |
| BC | | | | | |
| BD | | | | | |
| CD | | | | | |
| CE | | | | | |
| DE | | | | | |
| DF | | | | | |
| FE | | | | | |
| FH | | | | | |
| EH | | | | | |
| EG | | | | | |
| HG | | | | | |
| HJ | | | | | |
| GJ | | | | | |
| GI | | | | | |
| JI | | | | | |

#### Instruction
Title: *This bridge is symmetrical but the forces are not

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