The Forces of Nature

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Questions and Answers

How many fundamental forces are explained by the standard model of particle physics?

  • Three
  • Four (correct)
  • Two
  • Five

What is the mysterious substance thought to make up about 27% of the universe?

  • Dark matter (correct)
  • Subatomic particles
  • Muon
  • Gravity

Where did the data for the potential fifth force of nature come from?

  • Subatomic particles
  • Fermilab US particle accelerator facility (correct)
  • Standard model of particle physics
  • Imperial College London

What is the name of the subatomic particles that were studied in the experiments?

<p>Muons (B)</p> Signup and view all the answers

Why do researchers believe there could be a fifth fundamental force of nature?

<p>Because the behavior in the experiments cannot be explained by the four known forces (B)</p> Signup and view all the answers

Which country decided that a golden goal in the 1994 Caribbean Cup would be worth two goals?

<p>England (A)</p> Signup and view all the answers

What happens if a team scores a golden goal in football?

<p>They win the game (C)</p> Signup and view all the answers

Why did the 1994 Caribbean Cup decide to make a golden goal worth two goals?

<p>To increase the goal differential (D)</p> Signup and view all the answers

What is the goal differential in football?

<p>The difference between the number of goals a team scores and concedes in a match (B)</p> Signup and view all the answers

What can the goal differential have serious ramifications for in football?

<p>The outcome of qualifiers (C)</p> Signup and view all the answers

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