Angular Displacement and Average Angular Velocity

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Questions and Answers

What is the SI unit of angular displacement?

  • Meter per second
  • Kilogram
  • Radian (correct)
  • Newton

Which letter represents average angular velocity?

  • α
  • ω (correct)
  • θ
  • Δ

What is the relation between revolutions (rev), degrees (deg), and radians (rad)?

  • $ heta = 360° = 1$ rad
  • $2 heta = 180° = 1$ rad
  • $2 heta = 360° = 1$ rad (correct)
  • $ heta = 180° = 1$ rad

What is the instantaneous angular velocity defined as?

<p>dθ(t) / dt (C)</p> Signup and view all the answers

What represents the rate of change of angular velocity of an object with time?

<p>~α(t) = dω(t) / dt (D)</p> Signup and view all the answers

What does the Greek letter ω represent in the context of angular motion?

<p>Average angular velocity (C)</p> Signup and view all the answers

What is the SI unit of instantaneous angular acceleration?

<p>$rad/s^2$ (B)</p> Signup and view all the answers

How is average angular acceleration defined?

<p><del>α = Δ</del>ω / Δt (A)</p> Signup and view all the answers

In the relation between rev, deg, and rad, what does $2\theta$ represent?

<p>$360°$ (D)</p> Signup and view all the answers

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