28. A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is_____________________? September 7, 2025 by Admin A. less than (1/3) tan 0 B. less than (2/3) tan 0 C. less than (1/3) sin 6 D. less than (2/3) sin 6 ✅ The correct answer is option A.