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Uniform Circular Motion Quiz
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Uniform Circular Motion Quiz

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Questions and Answers

What is the expression for centripetal or radial acceleration in uniform circular motion?

  • $\vec{a}_r = -\frac{v^2}{r}\hat{r}$
  • $\vec{a}_r = -\omega^2 \vec{r}$ (correct)
  • $\vec{a}_r = \omega^2 \vec{r}$
  • $\vec{a}_r = \frac{v^2}{r}\hat{r}$
  • What does the acceleration in uniform circular motion depend on?

  • Angular velocity and linear velocity
  • Position vector and radius
  • Angular velocity and position vector (correct)
  • Linear velocity and radius
  • What is the expression for magnitude of centripetal acceleration in uniform circular motion?

  • $a = -\frac{v^2}{r}$
  • $a = -\omega^2 r$
  • $a = \omega^2 r$ (correct)
  • $a = \frac{v^2}{r}$
  • In which direction is the centripetal acceleration directed in uniform circular motion?

    <p>Towards the center of the circular motion</p> Signup and view all the answers

    Study Notes

    Uniform Circular Motion

    • The expression for centripetal or radial acceleration in uniform circular motion is a = v²/r, where a is the acceleration, v is the velocity, and r is the radius of the circular path.
    • The acceleration in uniform circular motion depends on velocity and radius of the circular path.
    • The expression for the magnitude of centripetal acceleration in uniform circular motion is a = v²/r.
    • The centripetal acceleration is directed towards the center of the circular path, meaning it is always directed radially inward.

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    Description

    Test your understanding of uniform circular motion with this quiz. Explore concepts such as period, frequency, and centripetal acceleration.

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