إذا أثرت قوة محصلة بزاوية بالنسبة لاتجاه حركة جسم، فإن الجسم سيتبع مسارًا...................................... | إذا أثرت قوة محصلة بزاوية بالنسبة لاتجاه حركة جسم، فإن الجسم سيتبع مسارًا......................................

إذا أثرت قوة محصلة بزاوية بالنسبة لاتجاه حركة جسم، فإن الجسم سيتبع مسارًا....................................... قانونا نيوتن الأول والثالث: استاتيكا الجسيمات

I Bernard Cohen Peter M	I]t is essential to deal with the same set of particles throughout the time interval[
	Any single force is only one aspect of a mutual interaction between two bodies

I Bernard Cohen Peter M

I]t is essential to deal with the same set of particles throughout the time interval[

Any single force is only one aspect of a mutual interaction between two bodies

Cambridge UK: Cambridge University Press.

قانون نيوتن الثاني: When the mass varies due to accretion or ablation, [an alternate equation explicitly accounting for the changing mass] should be used
إذا أثرت قوة محصلة بزاوية بالنسبة لاتجاه حركة جسم، فإن الجسم سيتبع مسارًا......................................: Cambridge UK: Cambridge University Press
قانون نيوتن الثاني: Hannah, J, Hillier, M J, Applied Mechanics, p221, Pitman Paperbacks, 1971• "On the use and abuse of Newton's second law for variable mass problems"

Quoting Newton in the Principia: It is not one action by which the Sun attracts Jupiter, and another by which Jupiter attracts the Sun; but it is one action by which the Sun and Jupiter mutually endeavour to come nearer together	Metaphysics Research Lab, Stanford University
] Consequently, the mass of the system can not change during the time of interest	Celestial Mechanics and Dynamical Astronomy

Quoting Newton in the Principia: It is not one action by which the Sun attracts Jupiter, and another by which Jupiter attracts the Sun; but it is one action by which the Sun and Jupiter mutually endeavour to come nearer together

Metaphysics Research Lab, Stanford University

] Consequently, the mass of the system can not change during the time of interest

Celestial Mechanics and Dynamical Astronomy

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قانون نيوتن الثاني: ديناميكا الجسيمات