The masses of the boxes are mA = 15 kg and mB = 60 kg. The coefficient of static friction between boxes A and B and between box B and the inclined surface is 0.12. Determine the following 1. The total weight of the boxes 2. What is the largest force F for which the boxes will not slip? Hint: the block B impends upward to the incline 3. What is the smallest force F for which the boxes will not slip? Hint: the block B impends downward to the incline B 20°

The masses of the boxes are mA = 15 kg and mB = 60 kg. The coefficient of static friction between boxes A and B and between box B and the inclined surface is 0.12. Determine the following 1. The total weight of the boxes 2. What is the largest force F for which the boxes will not slip? Hint: the block B impends upward to the incline 3. What is the smallest force F for which the boxes will not slip? Hint: the block B impends downward to the incline B 20°

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

The masses of the boxes are mA = 15 kg and mB = 60 kg. The coefficient of static friction between boxes A and
B and between box B and the inclined surface is 0.12. Determine the following
1. The total weight of the boxes
2. What is the largest force F for which the boxes will not slip? Hint: the block B impends upward to the incline
3. What is the smallest force F for which the boxes will not slip? Hint: the block B impends downward to the
incline
B
| 20°

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