Physics behind conservation of Energy & Momentum #science

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To analyse a real physics problem one has to solve the equations of motion which sometimes is easy but becomes cumbersome at some other times so, it helps if we look at the problem a little differently. Conservation principles provide a nice framework in that sense.
Conservation principles are the so called fundamental laws but….

#physics #energy #momentum #angularmomentum #conserved #isolated #space #time #isotropic #homogeneous #nophysics