The force of gravity is an inverse square law. This means that, ...

[fahad]

The force of gravity is an inverse square law. This means that, if you double the distance between two large masses, the gravitational force between them
 
  A) also doubles.
  B) strengthens by a factor of 4.
  C) weakens by a factor of 4.
  D) weakens by a factor of 2.
  E) is unaffected.

Question 2

The magnetic fields carried by jets coming from active galactic nuclei are generated by
 
  A) the combined magnetic fields of the many stars near the galaxy's center.
  B) the central black hole.
  C) the movement of the interstellar matter of the galaxy.
  D) the movement of the stars in the galaxy.
  E) charged matter in the accretion disk of the central black hole.

[covalentbond]

Answer to Question 1

C

Answer to Question 2

E

[fahad]

Thank you!

[covalentbond]

Always glad to help...