The Galapagos Islands are famous because it is where Charles Darwin discovered many previously unknown species of animals and inspired him to create the theories of natural selection, survival of the fittest, and evolution.
FN Normal force Perpendicular (i.e. normal) to the surface. Equal to whatever force is needed to prevent the object from falling through the floor. Use the FBD recipe to find FN . FT Tension In direction of the rope or string (away from the object).
Nails are generally made of metal, which make for excellent conductors.
Heaven forbid if you try to protect yourself from heat or electricity with metal...
