58_Problem CHAPTER 10

58_Problem CHAPTER 10 - PROBLEM 10.53 Using the method of...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
PROBLEM 10.53 Using the method of virtual work, determine separately the force and the couple representing the reaction at A . SOLUTION : y A Consider an upward displacement A y δ of ABC ABC : ABC yyy δδ == CDE : 1 ft 2.5 ft CE yy = or 2.5 E A = EFG : 0.8 ft 1.2 ft E G = or () 1.2 ft 2.5 0.8 ft GA = 3.75 A y = Virtual Work: ( ) ( ) 0: 240 lb 60 lb 0 yA B G UA y y y = +− = or ( ) ( ) 240 lb 60 lb 3.75 0 A A Ay y y + −= or 15 lb y = A : x A Consider a horizontal displacement A x
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.

Ask a homework question - tutors are online