978-0073398242 Chapter 7 Solution Manual Part 10

PROBLEM 7.59 (Continued)

PROBLEM 7.60

Knowing that P =Q= 150 lb, determine (a) the distance a for which the

maximum absolute value of the bending moment in beam AB is as small

as possible, (b) the corresponding value of

max

|| .M

(See hint for Problem

7.55.)

PROBLEM 7.61

Solve Problem 7.60 assuming that P = 300 lb and Q= 150lb.

PROBLEM 7.60 Knowing that P =Q= 150 lb, determine (a) the distance

a for which the maximum absolute value of the bending moment in beam

AB is as small as possible, (b) the corresponding value of

max

|| .

M

(See

hint for Problem 7.55.)

PROBLEM 7.62*

In order to reduce the bending moment in the cantilever beam

AB, a cable and counterweight are permanently attached at end

B. Determine the magnitude of the counterweight for which the

maximum absolute value of the bending moment in the beam

is as small as possible and the corresponding value of

max

|| .M

Consider (a) the case when the distributed load is permanently

applied to the beam, (b) the more general case when the

distributed load may either be applied or removed.

PROBLEM 7.62* (Continued)

PROBLEM 7.63

Using the method of Section 7.6, solve Problem 7.29.

PROBLEM 7.29 For the beam and loading shown, (a) draw the shear

and bending–moment diagrams, (b) determine the maximum absolute

values of the shear and bending moment.

PROBLEM 7.64

Using the method of Section 7.6, solve Problem 7.30.

PROBLEM 7.30 For the beam and loading shown, (a) draw the shear

and bending–moment diagrams, (b) determine the maximum absolute

values of the shear and bending moment.

PROBLEM 7.65

Using the method of Section 7.6, solve Problem 7.31.

PROBLEM 7.31 For the beam and loading shown, (a) draw the shear

and bending–moment diagrams, (b) determine the maximum absolute

values of the shear and bending moment.

PROBLEM 7.66

Using the method of Section 7.6, solve Problem 7.32.

PROBLEM 7.32 For the beam and loading shown, (a) draw the shear

and bending–moment diagrams, (b) determine the maximum absolute

values of the shear and bending moment.

PROBLEM 7.67

Using the method of Section 7.6, solve Problem 7.33.

PROBLEM 7.33 For the beam and loading shown, (a) draw the shear and

bending-moment diagrams, (b) determine the maximum absolute values

of the shear and bending moment.