"Kiddy drawings "do you remeber secoundary school
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m......DYNAMITE........m
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omone showed You Kiddy drawing atold WE HAVE SYMETRY IN PHYSICS ( after explosion mass m will go to left/ right side the same speed respect to EARTH ( Table on Laboratory )
Dear children the principle of conservation of momentum
is very important
MAROSZ my own
"Kiddy drawings " 
Mass m is on the table ( Can be in your room )
You are pushing mass m left and right respect to Earth 300 km/s ( How big Qx = m*g +/- radial force ) is regstering Your finger
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m...dynamite....m
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ORAC in pipe exist friction T = Qx * f(n )
OK You think that above problem = margines ?
Show me place in universe where not exist Grawitation and radidial forces
Do you understand what I did for physics
below I showing You sorce link
http://www.physicsmyths.org.uk/equivalence.htm 
In these illustrations it is suggested that the experimenter fires a small rocket engine fixed to the floor inside the lab. Until the exhaust fumes reach the ceiling, this will impart an acceleration which counteracts the acceleration provided by the external rocket motor and thus reduce the gravity accordingly. However, the same experiment in the ground lab will not produce a noticeable change, as the mass of the earth (to which the lab is effectively fixed) is much too high for this. Of course, one does not need to fire a rocket engine inside the lab to figure out whether one is in space or on the earth, but in principle almost anything one does in the lab will produce a difference, even just lifting an arm or leg. Also for instance, despite the identical apparent gravity, the period of a pendulum inside the two labs will be different as we are dealing with a two body problem and the period is affected by the mass of the lab.
This demonstrates that it is in fact impossible to make a correct interpretation of a local measurement without taking the global physical situation into account. Ignoring the latter and replacing it by one that is 'equivalent' in a certain respect can in general not give a correct description of physical reality. In this case, this means that forces due to gravity have to be considered separately from other forces MAROSZ me about above words 
ORAC UP and Down
( near floore and ceiling also exist problem )
EN>
http://youtu.be/HXKwNvA8VHs ORAC many people in linkedin ( physicist , editors - physics joulrnal , matematica, engineer ) confirmed my skills . I DON't know this people and they don't know me
https://www.linkedin.com/profile/view?id=219015865&trk=nav_responsive_tab_profileBR Maciej Marian Marosz from Poland ( city Walbrzych )
