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Originally Posted by GUILLE what is the relationship between | ∂F(a)=L(a) and ∂F(b)=L(b), these are all local infinitesimal orthogonal forces. Quote: |
Originally Posted by GUILLE And would |L(a)|+|L(b)|=|L(a)+L(b)|?? | |L(a)|+|L(b)|º|L(a)+L(b)|. They are identical (note the 3 bars symbol).
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Originally Posted by GUILLE Unless of course, the two vectors are paralell. | The two vectors are perpendicular.
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Time independence: [∂E(g)]²=[∂F(a)×∂r(a)]·[∂F(b)×∂r(b)] and Mass independence: ¶a(t)·¶r(t)=c²
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