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Nov 13, 2020 at 2:02 comment added nasu What normal force are you talking about? There is a normal force at the interface between the two colliding bodies and another one at the interface between each body and the surface supporting them (gound, table, whtever).
Nov 13, 2020 at 1:27 answer added Acccumulation timeline score: 1
Nov 12, 2020 at 23:58 answer added user256872 timeline score: 1
Nov 12, 2020 at 23:50 history edited AnotherStudent CC BY-SA 4.0
added 181 characters in body
Nov 12, 2020 at 22:38 history asked AnotherStudent CC BY-SA 4.0