Statics and Newton's Second Law Quiz
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Questions and Answers

What does Newton's second law state?

  • $\textbf{F} = 0$
  • $m = \textbf{F}\textbf{a}$
  • $\textbf{F} = \textbf{0}$
  • $\textbf{F} = m\textbf{a}$ (correct)
  • What condition must be satisfied for a system to be in static equilibrium?

  • $\textbf{F} = m\textbf{a}$ and $\alpha = 0$
  • $\textbf{a} = 0$ and $\textbf{M} = 0$ (correct)
  • $\textbf{F} = 0$ and $\alpha = 0$
  • $\textbf{F} = m\textbf{a}$ and $\textbf{M} = I\alpha$
  • What does $\textbf{M} = I \alpha = 0$ represent for a system?

  • The summation of all moments acting on the system is zero. (correct)
  • The system is at rest.
  • The moment of inertia of the mass is zero.
  • The angular acceleration of the system is zero.
  • In static equilibrium, what does it mean if $\alpha = 0$?

    <p>There is no angular acceleration in the system.</p> Signup and view all the answers

    What happens to a system in static equilibrium if its center of mass moves at constant velocity?

    <p>$\textbf{a} = 0$ and $\alpha = 0$</p> Signup and view all the answers

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