4 ms·
> There is no "gravitational force" in free fall, and the particles were in free fall. what is free fall in a reference frame is a particle subject to a force
by martopix 5y ago
> There is no "gravitational force" in free fall, and the particles were in free fall.
what is free fall in a reference frame is a particle subject to a force in another reference frame.
- pdonis 5y agoNo, it isn't. Free fall is invariant: attach an accelerometer to the object and it reads zero. That is true regardless of your choice of reference frame.