Consider the figure below, depicting a simple beam AB supporting two equal concentrated loads P.A horizontal beam A B of length L is supported by a fixed support at its left end A and a horizontal roller support at its right end B. A point load P acts downwards at a distance a to the right of A and another point load P acts downward at a distance a to the left of B.*Inserted Photo*(Use the deformation sign convention. When entering expressions, use the following as necessary: P, L, and a.) Now assume the left-hand load is upward and the right-hand load is downward. With this assumption, draw the shear-force diagram.V(X)V( x)VmaxVmaxaL-aL.O'minL-aV X)VX)VmaxVmaxaLtaLtaLO'minOVminState expressions for the minimum and maximum values of V(x) for this diagram.VminVmaxContinuing with this assumption, draw the bending-moment diagram.M(x)M(X)МmaxMmax|aL-aL.OMminL-aaM(X)M(x)MmaxMmaxXLtaL.LtaLaOMminO MminState expressions for the minimum and maximum values of M(x) for this diagram.M.'minM.max AB

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Answered: concentrated loads P. A horizontal beam…

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter14: Computational Engineering Tools Electronic Spreadsheets

Section14.5: An Introduction To Excel’s Visual Basic For Applications

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Consider the figure below, depicting a simple beam AB supporting two equal concentrated loads P.

A horizontal beam A B of length L is supported by a fixed support at its left end A and a horizontal roller support at its right end B. A point load P acts downwards at a distance a to the right of A and another point load P acts downward at a distance a to the left of B.

*Inserted Photo*

(Use the deformation sign convention. When entering expressions, use the following as necessary: P, L, and a.)

Now assume the left-hand load is upward and the right-hand load is downward. With this assumption, draw the shear-force diagram.
V(X)
V( x)
Vmax
Vmax
a
L-a
L.
O'min
L-a
V X)
VX)
Vmax
Vmax
a
Lta
Lta
L
O'min
OVmin
State expressions for the minimum and maximum values of V(x) for this diagram.
Vmin
V
max
Continuing with this assumption, draw the bending-moment diagram.
M(x)
M(X)
Мmax
Mmax|
a
L-a
L.
OMmin
L-a
a
M(X)
M(x)
Mmax
Mmax
X
Lta
L.
Lta
L
a
OMmin
O Mmin
State expressions for the minimum and maximum values of M(x) for this diagram.
M.
'min
M.
max

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