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S May 16 at 13:48 review First answers
May 16 at 14:12
S May 16 at 13:48 history edited Albertus Magnus CC BY-SA 4.0
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May 16 at 13:39 comment added Pustam Raut Yes, in general. The angle is not necessarily zero for a curved path. However, the infinitesimal change in the position vector is in the same direction when deriving gravitational potential energy.
May 16 at 13:10 comment added Anis Manuchehri-Ramirez Thanks. A little confused by how $\hat{r}$ and $d\vec{r}$ are in the same direction, but the angle between them isn't necessarily zero?
S May 16 at 12:50 review First answers
May 16 at 12:53
S May 16 at 12:50 history answered Pustam Raut CC BY-SA 4.0