Can the two blocks be in equilibrium in the position shown? Justify your answer. All surfaces are frictionless except the horizontal surface beneath block B.
Can the two blocks be in equilibrium in the position shown? Justify your answer. All surfaces are frictionless except the horizontal surface beneath block B.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
Can the two blocks be in equilibrium in the position shown? Justify your answer. All surfaces are frictionless except the horizontal surface beneath block B.
Expert Solution
Step 1
Given Data:
- The weight of block A is WA = 120 lb.
- The weight of block B is WB = 80 lb.
- The coefficient of static friction is
The free-body diagram of block A can be drawn as,
Step 2
Assuming block A to be in the equilibrium, apply force balance in the vertical direction,
The free-body diagram of the Block B can be drawn as,
Applying force balance in the vertical direction,
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