Problem 867
For the beam in Figure P-867, compute the value of P that will cause a zero deflection under P.
 

Problem 866
Determine the midspan value of EIδ for the beam shown in Fig. P-866.
 

Problem 865
For the beam shown in Fig. P-865, compute the value of EIδ at x = 6 ft and at the end of the overhang.
 

Problem 454
Determine the horizontal and vertical components of the hinge force at A for the structure shown in Figure P-454. Neglect the weights of the members and of the pulleys.
 

Problem 453
For the frame shown in Figure P-453, determine the resultant hinge forces at B, C, and E.
 

Problem 452
For the frame shown in Figure P-452, determine the horizontal and vertical components of the hinge force at B as it acts upon member AC.
 

Problem 451
The frame shown in Figure P-451 is hinged at E and roller supported at A. Determine the horizontal and vertical components of the hinge forces at B, C, and D. Neglect the weights of the members.
 

Problem 450
The billboard BC weighing 1000 lb is subjected to a wind pressure of 300 lb/ft as shown in Figure P-450. Neglecting the weights of the support-members, determine the component of the hinge forces at A and F.
 

Problem 449
The bridge shown in Figure P-449 consists of two end sections, each weighing 20 tons with center of gravity at G, hinged to a uniform center span weighing 12 tons. Compute the reactions at A, B, E, and F.
 

Problem 448
A beam carrying the loads shown in Figure P-448 is composed of three segments. It is supported by four vertical reactions and joined by two frictionless hinges. Determine the values of the reactions.