The symmetrical crab hook is used to lift packages by means of friction developed between the shoes
Question:
The symmetrical crab hook is used to lift packages by means of friction developed between the shoes A and B and a package. Determine the smallest coefficient of static friction at the shoes so that the package of weight W can be lifted.
Given:
a = 1 ft
b = 2 ft
c = 0.8 ft
d = 1 ft
θ = 45 deg
Transcribed Image Text:
D
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