Is there an indent when standing on a solid surface?

  • Thread starter Acadeus
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  • #1
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Does anyone know for sure that when standing in a single spot (for a better idea we will say on a block of steel) that there is a microscopic indent (not permanent) on the steel block. For more elaboration I see it as the same aspect as walking on a plank of wood and it will bend due to your weight but because the stronger density of the steel block it would be less evident.
 

Answers and Replies

  • #2
Bobbywhy
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“Many materials display linear elastic behavior, defined by a linear stress-strain relationship, as shown in the figure up to point 2, in which deformations are completely recoverable upon removal of the load; that is, a specimen loaded elastically in tension will elongate, but will return to its original shape and size when unloaded.”
http://en.wikipedia.org/wiki/Ultimate_tensile_strength
 
  • #3
803
9
Yes there will be an indent. Every material when subjected to a stress will elongate or compress, although as you said if it's just you standing on a steel block then this deformation will be minuscule.
 
  • #5
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Thank you guys
 
  • #6
sophiecentaur
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Thank you guys

The fact that sound waves can be transmitted through 'solids' is proof that there is some deformation as a result of an applied force. 'Everything' has a Young's modulus.
 

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