Two forces of 4 N and 12 N act on a body simultaneously. The net ...

[jwb375]

Two forces of 4 N and 12 N act on a body simultaneously. The net force on the body is
 a. 4 N
  b. 12 N
  c. 16 N
  d. 8 N
  e. impossible to tell from the given information

Question 2

What is the Pauli exclusion principle?
 a. Only two electrons can be in the same state (have the same quantum numbers).
  b. No two electrons can be in the same state (have the same quantum numbers).
  c. Electrons repel each other.
  d. No two elements can have electrons in the same state (with the same quantum numbers).
  e. No two electrons can occupy the same shell.

[jojobee318]

Answer to Question 1

E
The directions of the forces must be known.

Answer to Question 2

b

[jwb375]

Thank you!

[jojobee318]

Always glad to help...