The Physics of Circular Motion

Eight quick questions on the physics of circular motion.

Requires knowledge of equations and the basic rules of bodies which are in circular motion around a fixed point.

1. The angular velocity (ω) of an entity is measured in...?

  • Degrees per Second (degree/s)
  • Radians per Minute (rad/min)
  • Radians per Second (rad/s)
  • Meters per Second (m/s)
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2. Acceleration is defined as a change in velocity over a change in time.

  • True
  • False

3. Which of the following is the equation which defines angular velocity (ω)? (where π is a constant and T is the time period of oscillation)

  • ω = 4π/T
  • ω = 2π/T
  • ω = 4πT
  • ω = T/2π

4. Centrifugal force is a real force identified by physicists.

  • False
  • True

5. A body which is in circular motion is...?

  • Has a constant velocity
  • Experiencing constant acceleration away from the center of the circle
  • Experiencing constant acceleration towards the center of the circle
  • Experiences no acceleration

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