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Problem 15 (1 point) Consider a box of mass m placed with zero initial speed on the inclined plane with the coefficient of static friction Ils. The inclination angle is slowly increased until the box starts sliding down. The inclination angle at that point is O. Which one of the following statements is correct? (A) tan 0 = Us (E) tan 0 = 1/us (B) tan 0 = m*us/g (F) tan 0 = m*g/us (C) cos = us (G) cos 0 = 1/us (D) sin 0 = us (H) sin 0 = 1/Us (N) None of the above.

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culoltn trgta mg Ma tan θ

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