MHT CET Physics question

According to kepler's second law, line joining the planet to the sun sweeps out equal areas in equal time intervals. This suggests that for the planet.

(A)Radial acceleration is zero
(B)Tangential acceleration is zero
(C)Transverse acceleration is zeroCorrect
(D)All of the above

Answer: (C)

Solution

Constant areal velocity means constant angular momentum, i.e. no force perpendicular to the radius, so the transverse acceleration is zero; the radial

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Question ID VK-059762