Reasoning from the fact that it is difficult to pull a nucleus apart, we can conclude that the nuclear force must
A) be repulsive and very strong.
B) operate only between neutrons, and not between protons.
C) be attractive and very strong.
D) have a very long range.
E) have a very short range.

Question

Quizplus · Accepted Answer

The nuclear force is attractive and very strong, which is why it holds the protons and neutrons together in the nucleus despite the repulsive electromagnetic force between protons.

Reasoning from the Fact That It Is Difficult to Pull