10kN Cut A: 10KN 10kN 2) Find the shear force and bending moment at the sections where marked. 15 KN Cut B: 10kN 0M M Ar Cut C: 10kN Cut D: 15kN 3m 3m 3m 3 m ΤΣΕ -0 anti-clockwise M = 0 → M=-10 Axif Ax→0 15kN BIC 9m M M 10kN-S=0 S= +10 kN ↓ 6 m -[10kNxAx]-M=0 M=0 ΑΣΕ, = 0 anti-clockwise M =0 -[10kVx3m]-M=0 > M=-30kN.m → M=30kN.m 10kN-S=0 →S +10 kN ↓ ΣΕ=0 = 10kN-15kN-S=0 S = 5 kN ↑ anti-clockwise M =0 anti-clockwiseM => M = 60kN.m M=-30kNmM=30kN.m S-5 kN -[10kVx3m]-M=0 10 10kV-15kN-S=0 S-5 kN MS= 5 kN 5kN =0 ⇒ -[10kNx3m]+[15kNx6m]-M = 0
10kN Cut A: 10KN 10kN 2) Find the shear force and bending moment at the sections where marked. 15 KN Cut B: 10kN 0M M Ar Cut C: 10kN Cut D: 15kN 3m 3m 3m 3 m ΤΣΕ -0 anti-clockwise M = 0 → M=-10 Axif Ax→0 15kN BIC 9m M M 10kN-S=0 S= +10 kN ↓ 6 m -[10kNxAx]-M=0 M=0 ΑΣΕ, = 0 anti-clockwise M =0 -[10kVx3m]-M=0 > M=-30kN.m → M=30kN.m 10kN-S=0 →S +10 kN ↓ ΣΕ=0 = 10kN-15kN-S=0 S = 5 kN ↑ anti-clockwise M =0 anti-clockwiseM => M = 60kN.m M=-30kNmM=30kN.m S-5 kN -[10kVx3m]-M=0 10 10kV-15kN-S=0 S-5 kN MS= 5 kN 5kN =0 ⇒ -[10kNx3m]+[15kNx6m]-M = 0
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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based on my calculation draw a shear force and bending moment digram
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