General Physics 1 2nd Quarter: Rotational Motion Concepts
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Questions and Answers

What is the formula for angular displacement?

  • $\alpha = \mathrm{\Delta}\frac{\omega}{\mathrm{\Delta}t}$
  • $\omega = \mathrm{\Delta}\frac{\theta}{\mathrm{\Delta}t}$
  • $\Delta\theta = \theta2 - \theta1$ (correct)
  • $v = r\omega$

What is the unit of angular velocity?

  • m/s
  • rev/sec (correct)
  • cm
  • rad

What is the relationship between angular velocity and tangential velocity?

  • $atan = r\alpha$
  • $\omega = \mathrm{\Delta}\frac{\theta}{\mathrm{\Delta}t}$
  • $v = r\omega$ (correct)
  • $\alpha = \mathrm{\Delta}\frac{\omega}{\mathrm{\Delta}t}$

What is the formula for angular acceleration?

<p>$\alpha = \mathrm{\Delta}\frac{\omega}{\mathrm{\Delta}t}$ (D)</p> Signup and view all the answers

What is the relationship between angular acceleration and tangential acceleration?

<p>$atan = r\alpha$ (D)</p> Signup and view all the answers

If the radius is given, what is the relationship between angular velocity and radial acceleration?

<p>$arad = \omega^2r$ (B)</p> Signup and view all the answers

What is the SI unit of torque?

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

What is the formula for calculating torque?

<p>$\tau = F \times r$ (D)</p> Signup and view all the answers

What must be zero for an object to maintain static equilibrium?

<p>The net force (A)</p> Signup and view all the answers

What is the SI unit of moment of inertia?

<p>$kg-m^2$ (D)</p> Signup and view all the answers

What is the formula for calculating moment of inertia for a single particle?

<p>$I = mr^2$ (B)</p> Signup and view all the answers

According to the Law of Gravitation, what does the magnitude of gravitational force depend on?

<p>Distance between the particles (A)</p> Signup and view all the answers

What did Newton discover about gravity?

<p>It can be described as a spring-like connection between any two masses (D)</p> Signup and view all the answers

According to Kepler's Laws of Planetary Motion, what shape do planets move around the Sun in?

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

What does periodic motion refer to?

<p>'Motion that regularly repeats—the object returns to a given position after a fixed time interval (C)</p> Signup and view all the answers

What does amplitude in periodic motion refer to?

<p>Maximum displacement of a body from its equilibrium position (C)</p> Signup and view all the answers

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