NEET Physics · Hard

Gravitation: Satellites MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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SatellitesHardQuestion 6262

Question

A satellite is in orbit at r. To make it spiral inward (reduce orbit), we should:
  1. A
    Increase its speed
  2. B
    Decrease its speed
    Correct
  3. C
    Apply force perpendicular to orbit
  4. D
    Increase mass

Correct answer

Decrease its speed

Explanation

Decreasing speed reduces kinetic energy — satellite falls to lower orbit. Decrease its speed.