The known forces of nature can be divided into four classes, viz. gravity, electromagnetism, weak nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?

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Q: 70 (IAS/2013)
The known forces of nature can be divided into four classes, viz. gravity, electromagnetism, weak nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?

question_subject: 

Science

question_exam: 

IAS

stats: 

0,71,72,71,20,21,31

keywords: 

{'strong nuclear force': [0, 0, 0, 1], 'weak nuclear force': [0, 0, 0, 1], 'forces': [0, 0, 0, 1], 'neutrons': [0, 0, 1, 1], 'gravity': [0, 0, 0, 6], 'electromagnetism': [0, 0, 1, 2], 'protons': [0, 0, 0, 1], 'particles': [1, 0, 5, 16], 'nucleus': [1, 0, 1, 0], 'nature': [5, 1, 15, 25], 'atom': [0, 0, 0, 2], 'radioactivity': [0, 0, 0, 2], 'classes': [1, 1, 3, 4]}

The statement "Gravity is the strongest of the four" is not correct.

Explanation:

Gravity is actually the weakest of the four fundamental forces of nature.