Timeline for Why does static friction point up the ramp for an object that is rolling without slipping up an inclined plane?
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| May 10, 2023 at 12:38 | comment | added | Not_Einstein | There are many posts, and much confusion, about rolling and friction. Is there a comprehensive reference someone can recommend that lays it all out clearly? | |
| May 10, 2023 at 12:37 | comment | added | Not_Einstein | Re. your first paragraph (which I'm sure is right but leads to some confusion on my part)...Friction acts either to oppose relative motion or prevent relative motion. In rolling down the ramp, the point in contact with the ramp is not moving so the latter role of friction comes into play. The relative motion of the contact point is to move up and away (clockwise) from the ramp so why wouldn't we say friction should point down the ramp to oppose this? | |
| May 10, 2023 at 6:36 | history | answered | Whit3rd | CC BY-SA 4.0 |