- #1

- 33

- 0

I can only think of one conditions - the fact that the metric ds squared is positive. Is this enough?

You are using an out of date browser. It may not display this or other websites correctly.

You should upgrade or use an alternative browser.

You should upgrade or use an alternative browser.

- Thread starter deadringer
- Start date

- #1

- 33

- 0

I can only think of one conditions - the fact that the metric ds squared is positive. Is this enough?

- #2

Dick

Science Advisor

Homework Helper

- 26,260

- 619

Possibly something like, "if acted on by no nongravitational forces". GR only absorbs gravitational forces into the metric. Though possibly that violates the condition of 'free fall'.

Last edited:

- #3

Dick

Science Advisor

Homework Helper

- 26,260

- 619

Share: