Figure shows a smooth vertical circular track \( A B \) of radius R. A block slides along the su...
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0Figure shows a smooth vertical circular track \( A B \) of radius R. A block slides along the su lace \( A B \) when it is given a velocity equal to \( \sqrt{6 g R} \) at \( p \) at \( A \). The ratio of the force exerted by the track on the l ock at point \( A \) to that at point
P \( B \) is
(1) \( 0.25 \)
(2) \( 0.35 \)
(3) \( 0.45 \)
(4) \( 0.55 \)
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