Chapter 12
Equilibrium and Elasticity
![Static Equilibrium - I](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/12720.jpg)
A rigid body is said to be in dynamic equilibrium when both its linear and angular acceleration are zero, relative to an inertial frame of reference.…
![Static Equilibrium - II](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/12721.jpg)
Static equilibrium is a special case in mechanics that is very important in everyday life. It occurs when the net force and the net torque on an…
![Finding the Center of Gravity](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/12723.jpg)
The center of gravity of a body is an imaginary point where the body's total weight is assumed to be concentrated, and the body is perfectly…
![Rigid Body Equilibrium Problems - I](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/12724.jpg)
A rigid body is said to be in static equilibrium when the net force and the net torque acting on the system is equal to zero. To solve for rigid body…
![Stress](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/12726.jpg)
When a force is applied on a body, it undergoes deformation. In order to restore the body to its original shape and/or size, an opposite or restoring…
![Strain and Elastic Modulus](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/12727.jpg)
The quantity that describes the deformation of a body under stress is known as strain. Strain is given as a fractional change in either length,…
![Indeterminate Structure](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14709.jpg)
Indeterminate structures refer to structures where internal forces and reactions cannot be determined using only the equations of static…
![Elasticity](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/12729.jpg)
Elasticity is the ability of an object to withstand the effects of distortion and to return to its original size and shape once the forces causing…
![Micro 3D Printing Using a Digital Projector and its Application in the Study of Soft Materials Mechanics](https://cloudfront.jove.com/files/thumbs/4457_t.png)
Micro 3D Printing Using a Digital Projector and its Application in the Study of Soft Materials Mechanics
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Buckling is a classical topic in mechanics. While buckling has long been studied as one of the major structural failure modes1, it has recently drawn…
![Studying Large Amplitude Oscillatory Shear Response of Soft Materials](https://cloudfront.jove.com/files/thumbs/58707_t.png)
We investigate the sequence of physical processes exhibited during large amplitude oscillatory shearing (LAOS) of polyethylene oxide (PEO) in…