Core - Mechanical Engineering

Chapter 11

Virtual Work

11.1 : Work

Work is a fundamental concept of mechanical engineering and has many applications. Understanding how work is calculated and the different types of work ...

11.2 : Work of a Couple Moment

11.2 : Work of a Couple Moment

Mechanical engineering involves the study of motion, energy, and force, and is concerned with designing, manufacturing, and maintaining mechanical ...

11.3 : Virtual Work

11.3 : Virtual Work

The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces ...

11.4 : Virtual Work for a System of Connected Rigid Bodies

11.4 : Virtual Work for a System of Connected Rigid Bodies

Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is ...

11.5 : Principle of Virtual Work: Problem Solving

11.5 : Principle of Virtual Work: Problem Solving

The principle of virtual work is an essential concept in the field of mechanics and engineering. This is used to solve problems related to the equilibrium ...

11.6 : Mechanical Efficiency of Real Machines

11.6 : Mechanical Efficiency of Real Machines

The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. ...

11.7 : Conservative Forces

11.7 : Conservative Forces

Conservative forces are an essential concept in the field of mechanical engineering. Understanding the properties and characteristics of these forces is ...

11.8 : Potential Energy

11.8 : Potential Energy

A conservative force, such as a gravitational or elastic force, gives the body the capacity to do work. This capacity, measured as the potential energy, ...

11.9 : Potential-Energy Criterion for Equilibrium

11.9 : Potential-Energy Criterion for Equilibrium

Potential energy or potential function plays an essential role in determining the stability of a mechanical system. If a system is subjected to both ...

11.10 : Stability of Equilibrium Configuration

11.10 : Stability of Equilibrium Configuration

Understanding the stability of equilibrium configurations is a fundamental part of mechanical engineering. In any system, there are three distinct types ...

11.11 : One-Degree-of-Freedom System

11.11 : One-Degree-of-Freedom System

In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, ...

11.12 : Stability of Equilibrium Configuration: Problem Solving

11.12 : Stability of Equilibrium Configuration: Problem Solving

The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the ...

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