A uniform plank 8 ft long is balanced on a corner using a horizontal force of 75 lb as shown in Fig. the plank weighs 45 lb, determine If The minimum coefficient of friction for which the plank is in equilibrium. 2ft B 75 lb 6 ft A

A uniform plank 8 ft long is balanced on a corner using a horizontal force of 75 lb as shown in Fig. the plank weighs 45 lb, determine If The minimum coefficient of friction for which the plank is in equilibrium. 2ft B 75 lb 6 ft A

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 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...

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Question

A uniform plank 8 ft long is balanced on a corner
using a horizontal force of 75 lb as shown in Fig.
the plank weighs 45 lb, determine
If
The minimum coefficient of friction for which the plank
is in equilibrium.
2ft
B
75 lb
6 ft
A

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