7. A 12-kg box is attached to a flat belt that passes over a fixed cylinder as shown below. Force F= 135 N at the instant just before the box starts to move upward. The coefficient of static friction between the belt and the cylinder is best given by T₂ =T₁e²p a: 0.0872 0.0436 % C. 0.215 A. 0.108 135 M/ F- L m 12 kg
7. A 12-kg box is attached to a flat belt that passes over a fixed cylinder as shown below. Force F= 135 N at the instant just before the box starts to move upward. The coefficient of static friction between the belt and the cylinder is best given by T₂ =T₁e²p a: 0.0872 0.0436 % C. 0.215 A. 0.108 135 M/ F- L m 12 kg
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.3P: Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair...
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