(Answered) The lift-tong mechanism shown consists of twin four-bar

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The lift-tong mechanism shown consists of twin four-bar linkages and is used to lift a 40-kg machine component. Knowing that LAB = 36 mm, determine the smallest allowable value of the coefficient of static friction between the component and the gripping pads when

(a) a = 0,

(b) a =30°.

544_coefficient of static friction.jpg

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