1- A 60 lb box is held on a smooth incline by a rope passing over the surface of contact with the coefficients of static friction of 0.25. Find (a) the tension on the rope and (b) the magnitude and location of the normal force exerted on the box by the plane. 40° 15 in. 60 lb 12 in. 30°

1- A 60 lb box is held on a smooth incline by a rope passing over the surface of contact with the coefficients of static friction of 0.25. Find (a) the tension on the rope and (b) the magnitude and location of the normal force exerted on the box by the plane. 40° 15 in. 60 lb 12 in. 30°

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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Question

1- A 60 Ib box is held on a smooth incline by a rope passing over the surface of contact with the
coefficients of static friction of 0.25. Find (a) the tension on the rope and (b) the magnitude and
location of the normal force exerted on the box by the plane.
40°
15 in.
60 Ib
12 in.
30°

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