Timeline for Where did potential energy disappear in this case?
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 9 at 14:25 | vote | accept | Hazim Ahmed | ||
| Apr 9 at 13:29 | comment | added | Albertus Magnus | You are probably wanting the first part of the answer. | |
| Apr 9 at 13:27 | comment | added | Albertus Magnus | Well, the point is that, you must choose a particular system or the analysis turns out different. See how there are two parts of my answer, one part is Earth-ball and agrees with the answer given by the other user, the second part of my answer is done for the ball alone as mechanical system. | |
| Apr 9 at 13:21 | comment | added | Hazim Ahmed | So I guess we have to apply equivalence principle to be consistent in our choice | |
| Apr 9 at 13:19 | comment | added | Hazim Ahmed | I did consider the frame of falling ball as a mechanical system too | |
| Apr 9 at 13:18 | comment | added | Albertus Magnus | Well, I am really getting at your choice of mechanical system, this is important, are you simply changing frames of reference but always working in the Earth-ball system, or do you sometimes consider the ball as a system unto itself? | |
| Apr 9 at 13:16 | comment | added | Hazim Ahmed | Ok. So we have to consider equivalence principle and so there is no gravitational field, only that ground is accelerating from this perspective. Is that what you mean? | |
| Apr 9 at 13:12 | history | answered | Albertus Magnus | CC BY-SA 4.0 |