Timeline for What are internal and external forces?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Jun 19 at 8:41 | comment | added | JaredJeya | The total energy in the system hasn't changed. It's just been converted to heat energy. But you're right in that it's important to consider that frictional forces can cause "loss" of energy in this way. | |
| Jun 3 at 17:26 | history | edited | gandalf61 | CC BY-SA 4.0 |
added 37 characters in body
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| Jun 3 at 16:40 | comment | added | Vincent Thacker | "Internal forces cannot change the total energy of a system" This is completely wrong. Internal forces cannot change the momentum, but they can very well increase or decrease the mechanical energy. Consider the simple case of an inelastic collision between two blocks. | |
| Jun 3 at 14:47 | vote | accept | android | ||
| Jun 3 at 14:47 | |||||
| Jun 3 at 14:45 | history | answered | gandalf61 | CC BY-SA 4.0 |