3
lesson pretestMultiple Choice

Pretest

Question 3 • Physics

Which is the strongest of the four fundamental forces?

Answer
A
weak nuclear
B
gravitational
C
strong nuclear
D
electromagnetic

Explanation

The strong nuclear force is the strongest of the four fundamental forces. It binds quarks together and helps hold protons and neutrons together in atomic nuclei, overcoming the electromagnetic repulsion between positively charged protons at very short distances. Therefore, the correct choice is strong nuclear.

AI-written and checked against the verified answer.

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