Please help me understand the solving i don't really know how to solve nor how to answer this. Part 1... Please refer to the image... Part 2 Determine the shear force acting at each of the following locations: (a) x = 4.25- (i.e., just to the left of point B.) (b) x = 4.25+ (i.e., just to the right of point B.) (c) x = 9.25-(i.e., just to the left of point C) (d) x = 9.25+ (i.e., just to the right of point C) Answer: (a) V= ______kN (b) V= kN (c) V= kN (d) V= kN Part 3 Determine the bending-moment acting at each of the following locations: (a) x = 4.25-(i.e.. just to the left of point B) (b) x = 4.25+ (i.e.. just to the right of point B) (c) x = 9.25 m (i.e., at support C) (d) x = 8.25 m Answer: (a) M= kN-m (b) M= kN-m (c) M= kN-m (d) M= kN-m Part 4: Use your bending-moment diagram to determine the maximum positive bending moment, Mmax, pos, and the maximum negative bending moment, Mmax, neg. Use the bending-moment sign convention detailed in Section 7.2. The maximum negative bending moment is the negative moment with the largest absolute value. Enter the maximum negative bending moment as a negative value. Answer: Mmax pos = _kN-m Mmax, neg = _______kN-m

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.42P: For the beam AB shown in Cases 1 and 2, derive and plot expressions for the shear force and bending...

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Please help me understand the solving i don't really know how to solve nor how to answer this. Part 1... Please refer to the image... Part 2 Determine the shear force acting at each of the following locations: (a) x = 4.25- (i.e., just to the left of point B.) (b) x = 4.25+ (i.e., just to the right of point B.) (c) x = 9.25-(i.e., just to the left of point C) (d) x = 9.25+ (i.e., just to the right of point C) Answer: (a) V= ________________kN (b) V= ________________kN (c) V= ________________kN (d) V= ________________kN Part 3 Determine the bending-moment acting at each of the following locations: (a) x = 4.25-(i.e.. just to the left of point B) (b) x = 4.25+ (i.e.. just to the right of point B) (c) x = 9.25 m (i.e., at support C) (d) x = 8.25 m Answer: (a) M= ________________kN-m (b) M= ________________kN-m (c) M= ________________kN-m (d) M= ________________kN-m Part 4: Use your bending-moment diagram to determine the maximum positive bending moment, Mmax, pos, and the maximum negative bending moment, Mmax, neg. Use the bending-moment sign convention detailed in Section 7.2. The maximum negative bending moment is the negative moment with the largest absolute value. Enter the maximum negative bending moment as a negative value. Answer: Mmax pos = _____________kN-m Mmax, neg = _____________kN-m

For the simply supported beam subjected to the loading shown, derive equations for the shear force V and the bending moment M
for any location in the beam. (Place the origin at point A.) Let a-4.25 m, b-5.00 m, c= 2.75 m, P=28kN and M = 210kN-m.
Construct the shear-force and bending-moment diagrams on paper and use the results to answer the questions in the subsequent
parts of this GO exercise.
Answers:
Ay=
b
Calculate the reaction forces Ay and Cy acting on the beam. Positive values for the reactions are indicated by the directions of the
red arrows shown on the free-body diagram below. (Note: Since Ax = 0, it has been omitted from the free-body diagram.)
Cy
=
i
i
M
a
B
M
b
! KN
C
! KN
C
Cy
C
C
P
X

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