The top of a frame structure is typically under compression, as it experiences forces pushing down on it from the weight of the structure and any additional loads. The columns or vertical members of the frame are responsible for carrying and resisting this compressive force.
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Rarefaction is the less dense part of a compression wave where the particles are spread apart.
The part of a longitudinal wave where the particles are close together is called a compression. In a compression, the particles are densely packed and have higher pressure compared to other parts of the wave.
Bending is another common stress that materials experience, in addition to tension, compression, and torsion. When a material undergoes bending, one part of it is in tension while the other part is in compression due to the applied load or moment.
In a longitudinal wave, the compression part refers to the region where particles are closely packed together, leading to an increase in pressure. This compression region is followed by a rarefaction, where particles are spread apart, resulting in a decrease in pressure. The alternation between compression and rarefaction causes the wave to propagate through the medium.
The part of a longitudinal wave where particles are close together is called compression. This is where the particles are squeezed together, resulting in a region of high pressure within the wave.