Chap. 5 Equilibrium of a Rigid Body

Chap. 5 Equilibrium of a Rigid Body

Chapter Outline

Conditions for Rigid-Body Equilibrium Free-Body Diagrams Equations of Equilibrium Two and Three-Force Members Constraints and Statical Determinacy

5-2

Conditions for Rigid-Body Equilibrium

The equilibrium of a body is expressed

as

FR = F = 0

(M R

)

O

=

MO = 0

Consider summing moments about some other point, such as point A, we require

MA

=

r?

FR

+

(M

R

)

O

=

0

5-3

FREE BODY DIAGRAMS (TWO DIMENSION)

(constraint)

5-4

(continued with ch5a.ppt)

5-5

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download