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Q: What is the motion of a body of constant speed in a circular path?
  • A. circulating motion
  • B. oscillating motion
  • C. non-uniform circular motion
  • D. uniform circular motion
Correct Answer: Option D - The motion of a body moving continuously in a circular path is called uniform circular motion. For example circular motion of the planets around the Sun, and the Moon or Satellites around the Earth, the motion of clock needles, the motion of electrons in the orbit of an atom, etc.
D. The motion of a body moving continuously in a circular path is called uniform circular motion. For example circular motion of the planets around the Sun, and the Moon or Satellites around the Earth, the motion of clock needles, the motion of electrons in the orbit of an atom, etc.

Explanations:

The motion of a body moving continuously in a circular path is called uniform circular motion. For example circular motion of the planets around the Sun, and the Moon or Satellites around the Earth, the motion of clock needles, the motion of electrons in the orbit of an atom, etc.