We have two clocks
clock 1 floor level
clock 2 ceiling level
Famous Einstein's rocket ( acceleration = gravitation )
CAN WE RECOGNIZE DIFFERENT ???
[IMG]http://2.bp.blogspot.com/-wpExOF_qdGY/VAVbKb2SzII/AAAAAAAAB7M/5u1X0kRguhY/s1600/einstein%2Bp2.jpg[/img]
Einstein VS Einstein !? ( operator "OR" VS operator "AND" )
Similar problem we can solve and use forces
[img]http://3.bp.blogspot.com/-zWrJa0V2u2Q/U2fd4adG6II/AAAAAAAAByo/pLqM7hwI_rc/s1600/einstein+p2.jpg[/img]
We can recognize different !!! Gravitation it is not Acceleration !!!
[img]http://3.bp.blogspot.com/-08J2bAsyv_U/U2fdx7je6aI/AAAAAAAAByg/Zf7--jpyd2E/s1600/einstein+p1.jpg[/img]
http://youtu.be/g6aEM-NEbmo