In the previous problem the normal force between the ball and the shell in position \( B \) is \...

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In the previous problem the normal force between the ball and the shell in position \( B \) is
\( \mathrm{P} \)
(1) \( \frac{12}{7} m g \)
(2) \( \frac{7}{9} m g \)
(3) \( \frac{17}{7} \mathrm{mg} \)
(4) \( \frac{10}{7} m g \)
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