The lever mechanism was used to lift the weight W. Using the principle of virtual work, calculate what the value of the force P must be in order to be able to lift the weight. The weight of the disc is negligible. The rod length is 21. W

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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.