List the four fundamental forces in nature. A) ...

[jasdeep_brar]

List the four fundamental forces in nature.
 
  A)
 
  gravitational, normal, tension, friction
  B)
 
  gravitational, normal, kinetic friction, static friction
  C)
 
  gravitational, electromagnetic, strong nuclear, weak nuclear
  D)
 
  gravitational, electromagnetic, contact, nuclear
  E)
 
  gravitational, contact, strong nuclear, weak nuclear

Question 2

The potential difference between the terminals of a battery, when no current flows to an external circuit, is referred to as the
 
  A)
 
  emf.
  B)
 
  terminal voltage.

[swimkari]

Answer to Question 1

C

Answer to Question 2

A