Circular Motion Physics: Velocity and Acceleration
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Questions and Answers

What is the magnitude of acceleration in uniform circular motion?

  • $r + \omega$
  • $\omega r$
  • $r/\omega$
  • $\omega^2 r$ (correct)
  • In uniform circular motion, the direction of acceleration is along which vector?

  • Anti-tangent
  • Tangent
  • Normal
  • Radius (correct)
  • What component of acceleration causes changes in the direction of velocity in non-uniform circular motion?

  • Tangential component
  • Normal component
  • Radial (centripetal) component (correct)
  • Anti-radial component
  • What is the equation for the radial (centripetal) component of acceleration in non-uniform circular motion?

    <p>$v^2/r$</p> Signup and view all the answers

    In uniform circular motion, what remains constant about the acceleration?

    <p>Magnitude and direction</p> Signup and view all the answers

    What describes non-uniform circular motion?

    <p>Changing speed and direction</p> Signup and view all the answers

    What does the average acceleration depend on?

    <p>Acceleration at time t1 and t2</p> Signup and view all the answers

    How is instantaneous acceleration defined?

    <p>Acceleration at a specific instant of time</p> Signup and view all the answers

    What does it mean when the force acting on a particle is zero?

    <p>The particle is in uniform motion</p> Signup and view all the answers

    In which type of motion is acceleration constant?

    <p>Uniformly accelerated motion</p> Signup and view all the answers

    What is the acceleration of a free-falling object on Earth?

    <p>10 m/s/s</p> Signup and view all the answers

    What term describes acceleration acting on a particle that remains constant?

    <p>Uniform acceleration</p> Signup and view all the answers

    What is the definition of acceleration?

    <p>Acceleration is the rate of change of velocity with respect to time</p> Signup and view all the answers

    Which integral expression can relate position x and velocity v if acceleration a is in terms of x?

    <p>$\int_{0} a(x) dx = \int_{x} dx$</p> Signup and view all the answers

    In uniform motion, the acceleration is ________.

    <p>Zero</p> Signup and view all the answers

    What important expression for acceleration can be obtained when acceleration is in terms of velocity?

    <p>$a = v dv/dx$</p> Signup and view all the answers

    If acceleration a is in terms of time t, the integral relating time and acceleration is ________.

    <p>$\int_{0} a(t) dt = \int_{0} dt$</p> Signup and view all the answers

    In kinematics, what does the relationship $\int_{t} dx = \int_{0} v dt$ represent?

    <p>Relation between velocity and displacement</p> Signup and view all the answers

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