# Method of Sections

## Problem 001-ms | Method of Sections

**Problem 001-ms**

From the truss in Fig. T-01, determine the force in mebers BC, CE, and EF.

## Method of Sections | Analysis of Simple Trusses

**Method of Sections**

In this method, we will cut the truss into two sections by passing a cutting plane through the members whose internal forces we wish to determine. This method permits us to solve directly any member by analyzing the left or the right section of the cutting plane.

To remain each section in equilibrium, the cut members will be replaced by forces equivalent to the internal load transmitted to the members. Each section may constitute of non-concurrent force system from which three equilibrium equations can be written.

## Analysis of Structures

There are many kinds of structure. This section will limit to those that are pin-connected. Two types of pin-connected structures will be covered here; *pin-connected trusses* and *pin-connected frames*. In the actual structure, the joints may be welded, riveted, or bolted to a gusset plate at the joint. However as long as the center-line of the member coincide at the joint, the assumption of a pinned joint maybe used.

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