Question

why we not consider internal forces in system of particles for Force and acceleration but consider only external force??​

Answer 1

Explanation:

Hence, this system's center of mass does not accelerate. Thus, for this system of particles to accelerate, only external forces matter, as such forces are the only ones that can induce any accelerations

Answer 2

as usual my ans will not go....

i ve try to explain...may it get fits in your cerebrum..

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