Posted by **Pat** on Monday, June 4, 2012 at 11:00pm.

If you increase the distance between two identical point charges so that the new distance is five times the original distance, what happens to the force between them?

I know it is suppose to be divided by 25 but why?

- PHYSICS -
**Elena**, Tuesday, June 5, 2012 at 3:25am
Coulomb's Law

F1=k•q1•q2/r²

F2=k•q1•q2/R²

If R=5r, then F2=F1/25

- PHYSICS -
**drwls**, Tuesday, June 5, 2012 at 3:30am
It's called an inverse square law.

Gravity of a point mass behaves the same way.

## Answer This Question

## Related Questions

- Phtsics - Two identical point charges are separated by a distance of 3.0 cm and ...
- Physics - You place two charges a distance r apart. Then you double each charge ...
- Physics - How would the force of gravity between two masses be affected if the ...
- physics - How would the force of gravity between two masses be affected if the ...
- Physics - Find the work that should be done to increase the distance between two...
- Physics - Two charged particles exert an electrostatic force of 27 N on each ...
- Physics - Two charged particles exert an electrostatic force of 27 N on each ...
- Physics - Charges on objects (check + help) - Two identical objects have charges...
- Physics - Two electrically-charges spheres are suspended from insulated threads ...
- physics - Two electrically-charges spheres are suspended from insulated threads ...

More Related Questions