If angular momentum is defined as the cross product of momentum and radius and momentum is conserved, how is it reasonable to assume that the momentum will change when we change the radius ?

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If angular momentum is defined as the cross product of momentum and radius and momentum is conserved, how is it reasonable to assume that the momentum will change when we change the radius ?

Closed as per community consensus as the post is not grad-level
asked Feb 15, 2017
recategorized Feb 16, 2017

not graduate+ level. Users with 500+ reputation may vote here to get it closed.

You are attempting to censor it because you find it too difficult to answer.

Mind reading is not a very credible way of making arguments.