3 ms·
For example, perfectly circular motion against no resistance requires no work since the force is always perpendicular to the motion.
by frutiger 3y ago
For example, perfectly circular motion against no resistance requires no work since the force is always perpendicular to the motion.
- fsckboy 3y agohe's saying you can't observe the phenomenon you are talking about without some additional work being done, which you might say is not part of the system, but it is part of the system that G*P proposed