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Question: Answered & Verified by Expert
A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then,
PhysicsGravitationNEETNEET 2015 (Phase 2)
Options:
  • A the total mechanical energy of S varies periodically with time.
  • B the linear momentum of S remains constant is magnitude.
  • C the acceleration of S is always directed towards the centre of the earth.
  • D the angular momentum of S about the centre of the earth changes in direction, but its magnitude remains constant.
Solution:
2745 Upvotes Verified Answer
The correct answer is: the acceleration of S is always directed towards the centre of the earth.
The gravitation force on the satellite will be aiming toward the centre of earth so acceleration of the satellite will also be aiming toward the centre of earth.

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