Question

which two phrases describe the nature of the strong nuclear force?
a. acts as a result of opposite charges
b. is one of the fundamental forces
c. acts between protons and neutrons
d. is an example of a contact force

Explanation:

• Option A: The strong nuclear force is not due to opposite charges. Electric force is due to opposite charges.
• Option B: The strong nuclear force is one of the four fundamental forces (the others are gravitational, electromagnetic, and weak nuclear force).
• Option C: The strong nuclear force acts between protons and neutrons in the nucleus, holding the nucleus together.
• Option D: The strong nuclear force is a non - contact force. Contact forces require physical contact between objects.

Answer:

B. Is one of the fundamental forces, C. Acts between protons and neutrons