I'm having a diffucult time understanding the loads and reactive forces problem 1.7. How did the distributed load for I2 = 3ft and I3= 1 ft where did they get 3ft and 1 ft. I understand how they got I1= 7ft with a beam spaning 14 ft divide 2 = 7ft. I need an explanation on how and why I2 = 3ft and I3= 1 ft? Given information:The total length of the beam is 14 ft (4.2 m).The downward load P, acting at 3 ft from the right support is 4,000Ib (17.8 kN).The uniformly distributed load wi is 6,000 lb (26.7 kN) actingthroughout the span.The uniformly distributed load wz is 2,000 lb (8.90 kN) acting along8 ft from the right support.Calculation:Show the given beam as in Figure (1).2,000 lb4,000 lb (17.8 kN)6,000 lb(8.90 kN)(26.7 kN)6 ft (1.8 m)5 ft (1.5 m)3 ft (0.9 m)L= 14 ft (4.2 m)R1R2Figure 1 W2 = 2,000 lb(8.90 kN)W = 6,000 lb(26.7 kN)P = 4,000 lb (17.8 kN)1 =7 ft (2.1 m)2= 3 ft4 = 3 ft(0.9 m) =1 ft (0.9 m)R2R1(0.3 m)

Answered: Given information: The total length of…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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I'm having a diffucult time understanding the loads and reactive forces problem 1.7. How did the distributed load for I₂= 3ft and I₃= 1 ft where did they get 3ft and 1 ft. I understand how they got I₁= 7ft with a beam spaning 14 ft divide 2 = 7ft. I need an explanation on how and why I₂= 3ft and I₃= 1 ft?

Given information:
The total length of the beam is 14 ft (4.2 m).
The downward load P, acting at 3 ft from the right support is 4,000
Ib (17.8 kN).
The uniformly distributed load wi is 6,000 lb (26.7 kN) acting
throughout the span.
The uniformly distributed load wz is 2,000 lb (8.90 kN) acting along
8 ft from the right support.
Calculation:
Show the given beam as in Figure (1).
2,000 lb
4,000 lb (17.8 kN)
6,000 lb
(8.90 kN)
(26.7 kN)
6 ft (1.8 m)
5 ft (1.5 m)
3 ft (0.9 m)
L= 14 ft (4.2 m)
R1
R2
Figure 1

W2 = 2,000 lb
(8.90 kN)
W = 6,000 lb
(26.7 kN)
P = 4,000 lb (17.8 kN)
1 =7 ft (2.1 m)
2= 3 ft
4 = 3 ft
(0.9 m) =1 ft (0.9 m)
R2
R1
(0.3 m)

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