A 0.8 lb roll of paper is suspended from a wire hanger so that it rests against the wall. The hanger has a negligible weight and the bearing O can be considered as frictionle The two ends of the hanger can be treated as pin joints. Determine the force P required to start turning the roll if theta = 30 degrees and the coefficient of static friction is 0. Statics and Dynamics R.C. Hibbeler 2010 Pearson Prentice Hall, Inc. -30° 3 in.

A 0.8 lb roll of paper is suspended from a wire hanger so that it rests against the wall. The hanger has a negligible weight and the bearing O can be considered as frictionle The two ends of the hanger can be treated as pin joints. Determine the force P required to start turning the roll if theta = 30 degrees and the coefficient of static friction is 0. Statics and Dynamics R.C. Hibbeler 2010 Pearson Prentice Hall, Inc. -30° 3 in.

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 7.90RP: The screw of the clamp has a square thread of pitch 0.16 in. and a mean diameter of 0.6 in. The...

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