A solid sphere of mass \( 3 \mathrm{~kg} \) is kept on a horizontal surface. The coefficient of ...

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A solid sphere of mass \( 3 \mathrm{~kg} \) is kept on a horizontal surface. The coefficient of static friction between the surfaces in contact is \( 2 / 7 \). What maximum force can be applied at the highest point in the horizontal direction so that the sphere does not slip on the surface? (in N)
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