The tongs are used to lift the 150-kg crate, whose center of mass is at G. Determine the least coefficient of static friction at the pivot blocks so that the crate can be lifted, then discuss your results.

The tongs are used to lift the 150-kg crate, whose center of mass is at G. Determine the least coefficient of static friction at the pivot blocks so that the crate can be lifted, then discuss your results.

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

The tongs are used to lift the 150-kg crate, whose center of mass is at G. Determine the least coefficient
of static friction at the pivot blocks so that the crate can be lifted, then discuss your results.
275 mm
El
500 mm
C
D
500 mm
300 mm
Fig. Q2.

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