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1. For the beams shown below: (a) calculate the support reactions. (b) calculate the internal forces at sections A and B and indicate if the internal forces are positive or negative. F = 40 lb F, = 30 lb dj = 20' – 0" dz= 10' – 0" A F, = 30 lb F, = 40 lb 8' - 0" 17' - 0" 3' – 0" 7' -0" 5' - 0" 10 kips 3 kips/ft 8' – 0" 8' – 0" - 3'

1. For the beams shown below: (a) calculate the support reactions. (b) calculate the internal forces at sections A and B and indicate if the internal forces are positive or negative. F = 40 lb F, = 30 lb dj = 20' – 0" dz= 10' – 0" A F, = 30 lb F, = 40 lb 8' - 0" 17' - 0" 3' – 0" 7' -0" 5' - 0" 10 kips 3 kips/ft 8' – 0" 8' – 0" - 3'

Structural Analysis
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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1. For the beams shown below: (a) calculate the support reactions. (b) calculate the internal forces at sections A and B and indicate if the internal forces are positive or negative. F, = 40 lb F2 = 30 lb dj = 20' – 0" dz = 10' – 0" A F2 = 30 lb F = 40 lb 8' – 0" 17' – 0" 3' – 0" 7'- 0" 5' – 0" A 10 ķips 3 kips/ft- 8' – 0" 8' – 0" 3'
Transcribed Image Text:1. For the beams shown below: (a) calculate the support reactions. (b) calculate the internal forces at sections A and B and indicate if the internal forces are positive or negative. F, = 40 lb F2 = 30 lb dj = 20' – 0" dz = 10' – 0" A F2 = 30 lb F = 40 lb 8' – 0" 17' – 0" 3' – 0" 7'- 0" 5' – 0" A 10 ķips 3 kips/ft- 8' – 0" 8' – 0" 3'
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