Skip to main content
Pearson+ LogoPearson+ Logo

Rotational Position & Displacement quiz Flashcards

Rotational Position & Displacement quiz
Control buttons has been changed to "navigation" mode.
1/10
  • Which of the following scenarios is an example of rotational motion?
    An example of rotational motion is a cylinder spinning around its own axis or a small object moving in a circular path around a central point.
  • Which of the following would be an example of rotational displacement?
    An example of rotational displacement is the change in angular position of an object as it moves from one point to another along a circular path, such as moving from 30 degrees to 120 degrees around a circle.
  • What is rotational motion?
    Rotational motion is the movement of an object around a central point, forming a circular path, such as a cylinder spinning around its axis.
  • How is rotational position described?
    Rotational position is described using angles, represented by the variable theta (θ), indicating where you are in a circle.
  • What is the difference between linear and rotational position?
    Linear position is measured in meters from an arbitrary origin, while rotational position is measured in angles from a fixed origin on the positive x-axis.
  • How is direction defined in rotational motion?
    In rotational motion, clockwise direction is negative, and counterclockwise direction is positive, following the unit circle.
  • What is the rotational equivalent of linear displacement?
    The rotational equivalent of linear displacement is angular displacement, represented as delta theta (Δθ).
  • How are linear displacement and angular displacement related?
    Linear displacement (Δx) and angular displacement (Δθ) are related by the equation Δx = rΔθ, where r is the radial distance.
  • What is the significance of radians in rotational motion equations?
    Radians are essential in rotational motion equations, as inputs must be in radians for the equations to work, and outputs will also be in radians.
  • How do you calculate the number of revolutions from an angle in degrees?
    To calculate the number of revolutions, divide the total angle in degrees by 360, or by 2π if the angle is in radians.