If transversal acceleration f_θ = 0, then the quantity r² θ̇ is:

Type: MCQ • Marks: 1

A. Constant (Conservation of areal velocity)

B. Increasing linearly

C. Zero

D. Proportional to r

Explanation

f_θ = (1/r) d/dt(r² θ̇) = 0 ⇒ r² θ̇ = constant. (Note: (1/2)r² θ̇ is the areal velocity).

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