CHAPTER 7
PROBLEM 7.1
Determine the internal forces (axial force, shearing force,
and bending moment) at Point J of the structure indicated.
Frame and loading of Problem 6.76.
PROBLEM 7.2
Determine the internal forces (axial force, shearing force, and bending
moment) at Point J of the structure indicated.
Frame and loading of Problem 6.78.
PROBLEM 7.3
Determine the internal forces at Point J when
α
= 90°.
PROBLEM 7.4
Determine the internal forces at Point J when
α
= 0.
PROBLEM 7.5
For the frame and loading shown, determine the internal forces at
the point indicated:
Point J.
PROBLEM 7.6
For the frame and loading shown, determine the internal
forces at the point indicated:
Point K.
PROBLEM 7.7
An archer aiming at a target is pulling with a 45–lb force on the
bowstring. Assuming that the shape of the bow can be approximated
by a parabola, determine the internal forces at Point J.
PROBLEM 7.7 (Continued)
PROBLEM 7.8
For the bow of Problem 7.7, determine the magnitude and location of
the maximum (a) axial force, (b) shearing force, (c) bending moment.
PROBLEM 7.7 An archer aiming at a target is pulling with a 45–lb
force on the bowstring. Assuming that the shape of the bow can be
approximated by a parabola, determine the internal forces at Point J.