Action reaction

  • Thread starter nishant
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  • #1
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Main Question or Discussion Point

hit a wall,u feel pain,what kind of forces r involved,r they electrodynamic?
 

Answers and Replies

  • #2
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A contact force.
 
  • #3
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your nerve endings emit an electric pulse to the brain indicating pain.

the actual contact between your hand and the wall is electrostatic in nature because the stopping force is due to electromagnetic repulsions between atoms in your hand and those on the wall.
 
  • #4
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how r they electromagnetic,please explain.
 
  • #5
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It is the normal force that is stopping your hand. The normal force is an electromagnetic force.
 
  • #6
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why is normal force an electromagnetic force?
 
  • #7
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What other kind of force would it be?
 
  • #8
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u must be right,but tell me how is it an electromagnetic force?
 
  • #9
2,209
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The force is the result of the electron shells repelling each other.
 

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