A rotating gravitational ellipse , third order ellipse out of a third order equation in JavaScript.
Time in seconds
Angular0Constant AngulariConstant CalculationTerm1 CalculationTerm2
Lconstant
xp is the velocity in x direction. xpp is the acceleration in x direction.
xxpxppxpppxpppp
yypyppypppypppp
rrprpprppprpppp
aapappapppapppp
radial components
R_term1
R_term2
R_term3
R_term4
R_term5
R_term6
angular components
A_term1
A_term2
A_term3
A_term4
A_term5
Checking the fault in the calculation
dr_dadr_da_par
dr_da_par_1dr_da_par_2
rStore1aStore1
rStore2aStore2
rStore3aStore3
rStore4aStore4
rStore5aStore5
rMax
xposypos
xdrawydraw
The inertial frame for rotating gravity ellipses.
Remember relativity was using d(x')/dt = d(x)/dt + Vconstant
Remember relativity was using x' = x + Vconstant t
Triple Infinity : You can make these pictures with the equations.
You can make these pictures with the equations.
Rotating gravity ellipse
Rotating gravitational ellipse
The first order space by time relation
The second order space by time relation
The third order space by time relation
The fourth order space by time relation
 
Python script for plotting rotating gravitational ellipses
Calculation by https://colab_research.google.com/drive/
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If a spring is described by F(x,t) = (c0 + c1⋅t)⋅x and c1<0 and dx/dt = 0 and x>0 is the spring then losing force per second like: d(F(x,t) = c1⋅x ?
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Is 'force per second' a accurate fundamental concept?
The your answer yes to the first question and your answer no to the second answer is a contradiction, so you are having a logical problem . Is this correct?
I conclude that , the term 'losing force per second' is an accurate fundamental concept dependening on the context. Is this correct?
You are using it, but it should not be used?
You are speeking yourself about 'losing force per second in an not accurate way'
and are advising to avoid the text 'losing force per second as a general concept in physics'. Is this correct?
Python script for calculating the precession of the aphelion of Mercury rotating gravitational ellipses