A kinematic pair is a combination of two or more kinematic links that are used to transmit motion or force within a mechanical system. A kinematic pair consists of at least one moving element and one fixed element, and it is characterized by the type of motion that it allows between the two elements.
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Elastic deformation and plastic deformation are two types of deformation that can occur in a material when it is subjected to a load.
The yield strength of a material is the maximum amount of stress that the material can withstand before it begins to deform permanently, or yield
The ultimate tensile strength of a material is the maximum amount of stress that the material can withstand before it fails or breaks. It is an important mechanical property of materials that is used to predict their behavior under load and to design and analyze structures and components.
The modulus of toughness, also known as the impact strength or the Charpy impact test, is a measure of the ability of a material to absorb energy when it is subjected to an impact load.
The modulus of resilience is a measure of the ability of a material to absorb energy when it is subjected to an elastic deformation. It is an important mechanical property of materials that is used to predict their behavior under load and to design and analyze structures and components.
The Poisson’s ratio of a material is a measure of the material’s ability to deform in response to an applied load. It is a dimensionless quantity that is typically denoted by the symbol “nu” and is defined as the ratio of the transverse strain to the axial strain in a material when it is subjected to a uniaxial tensile or compressive load.
Mohr’s circle is a graphical method for representing the state of stress at a point in a material. It is a tool that is commonly used in mechanics of materials to analyze and understand the behavior of materials under load.
The main difference between a structure and a machine is the type of mechanical system they represent. A structure is a static system that is used to support or transmit loads, while a machine is a dynamic system that is used to transmit or transform mechanical energy.