37. A simply supported beam is loaded as shown. The shear force V and bending moment...
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37. A simply supported beam is loaded as shown. The shear force V and bending moment M as a function of x are given by the fol- lowing equations: V(x) = 400-200x lb M(x)=100x² + 400x lb-ft for 0≤x≤8 ft. 200 lb/ft 8 ft 12 ft 20 ft 250 lb/ft V(x) = 1,200 lb, M(x) = -1,200x+6, 400 lb-ft for 8<x< 12 ft V(x) = -250x + 5,000 lb, M(x) = -125(x-12)² +2,000x-32,000 lb-ft for 12 ≤x≤20 ft. Plot the shear force and the bending moment as a function of x (two figures on one page such that the shear force diagram is displayed above the bend- ing moment diagram). 37. A simply supported beam is loaded as shown. The shear force V and bending moment M as a function of x are given by the fol- lowing equations: V(x) = 400-200x lb M(x)=100x² + 400x lb-ft for 0≤x≤8 ft. 200 lb/ft 8 ft 12 ft 20 ft 250 lb/ft V(x) = 1,200 lb, M(x) = -1,200x+6, 400 lb-ft for 8<x< 12 ft V(x) = -250x + 5,000 lb, M(x) = -125(x-12)² +2,000x-32,000 lb-ft for 12 ≤x≤20 ft. Plot the shear force and the bending moment as a function of x (two figures on one page such that the shear force diagram is displayed above the bend- ing moment diagram).
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