Four Discrete Forces in Physics

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Questions and Answers

What is responsible for binding protons and neutrons in an atomic nucleus?

  • Gravitational force
  • Electromagnetic force
  • Weak nuclear force
  • Strong nuclear force (correct)

Why do atoms exist according to the text?

  • Because the electromagnetic force overcomes the strong force (correct)
  • Due to the gravitational force
  • Because of the weak nuclear force
  • Because of the repulsion between protons

What is the 'color force' that is mentioned in the text?

  • A weak attractive force between protons
  • A force that gives colors to atomic nuclei
  • A remnant strong force binding quarks in protons and neutrons (correct)
  • The electromagnetic force

What happens when lightweight nuclei are fused according to the text?

<p>Huge amounts of energy are released due to the strong nuclear interaction (D)</p> Signup and view all the answers

Which force is considered to be the underlying source of the energy powering stars?

<p>Strong nuclear force (D)</p> Signup and view all the answers

What would happen if the electromagnetic force overcame the strong nuclear force completely?

<p>Atoms could not exist (B)</p> Signup and view all the answers

How does the strong nuclear force contribute to the stability of atomic nuclei?

<p>By overcoming repulsion between protons and neutrons (B)</p> Signup and view all the answers

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