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Feb 13, 2020 at 17:35 comment added Farcher The only contact forces are normal forces at the point of contact - no frictional (non normal) forces act.
Feb 13, 2020 at 17:31 comment added Antonios Sarikas Why in ideal case this happens? Is this because no friction is assumed?
Feb 13, 2020 at 17:30 review Low quality answers
Feb 13, 2020 at 19:05
Feb 13, 2020 at 17:13 history answered Farcher CC BY-SA 4.0