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Question
Which of the following quantities remain constant in a planetary motion, when seen from the surface of the sun?
Which of the following quantities remain constant in a planetary motion, when seen from the surface of the sun?
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Solution
The correct option is D Angular momentum
When viewed from the inertial frame of the sun, the planets seem to execute elliptical orbital motion with changing (K.E) (Kepler's first law) but constant angular momentum (due to the force being central).
When viewed from the inertial frame of the sun, the planets seem to execute elliptical orbital motion with changing (K.E) (Kepler's first law) but constant angular momentum (due to the force being central).
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