Frictional Force Quiz

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Questions and Answers

What is the formula to calculate the maximum amount of friction force between two surfaces?

  • $F_{friction} = \ ext{mass} imes \ ext{acceleration}$
  • $F_{friction} = \ ext{mass} imes g$
  • $F_{friction} = \ ext{coefficient of friction} imes N$ (correct)
  • $F_{friction} = \ ext{coefficient of friction} imes \ ext{mass}$

What does the normal force depend on?

  • Object's mass and acceleration due to gravity (correct)
  • Object's velocity and surface area
  • Object's mass and the angle of inclination
  • Object's weight and velocity

How does the strength of the normal force change on an inclined surface?

  • Remains constant
  • Becomes zero
  • Increases
  • Decreases (correct)

What is the effect of increasing the coefficient of friction on the frictional force?

<p>Frictional force increases (A)</p> Signup and view all the answers

What is the formula to calculate the normal force on an inclined surface?

<p>$N = \ ext{mass} imes g imes \ ext{cos}(\theta)$ (C)</p> Signup and view all the answers

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