2 ms·
The system in the (cool) video is in contact with a table. The table exerts a "normal" force on the cube, allowing a change in vertical momentum. If the system
by ISL 9y ago
The system in the (cool) video is in contact with a table.
The table exerts a "normal" force on the cube, allowing a change in vertical momentum. If the system in question is the cube alone, this is an external force.
This method could be used if the drone were cubic and near a wall of the space-station, by kicking off of the wall. That could get it moving, but until it hit the opposite wall, there's nothing it could do to stop.
- venning 9y agoYou're right. I was thinking about that, but I really don't know. This is pretty far out of my expertise. averagewall made a good point [1]. [1] https://news.ycombinator.com/item?id=14796338 https://news.ycombinator.com/item?id=14796338