The truss shown in the figure below is mounted to a wall via a pin at A and a roller at C. a) Determine the reactions at A and C. b) Using the method of joints, determine the forces in members HI, EI, ED, and DC. State  whether it is in tension or compression. c) Using the method of sections, determine the forces in members AI, and IC. State whether it is  in tension or compression.

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Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.