Strictly, the Earth's surface is a non-inertial frame because:

  1. it has gravity
  2. it is at rest
  3. it is very large
  4. the Earth rotates and orbits the Sun
Answer

D) the Earth rotates and orbits the Sun

Approximately inertial for most purposes. SLO P-11-F-01 · Understanding

Physics MCQ · More Special Relativity MCQs · Practise