Figure shows a 100 kg concrete cylinder resting on a wall at A. A 10° wedge is used at the bottom to prevent the concrete cylinder from rolling. The coefficients of static friction at A and B are 0.6 and 0.2, respectively, and the coefficient of static friction between the wedge and the floor is 0.3. By assuming the negligible weight of the wedge, determine the force P required to lift the concrete cylinder in the direction shown.

Figure shows a 100 kg concrete cylinder resting on a wall at A. A 10° wedge is used at the bottom to prevent the concrete cylinder from rolling. The coefficients of static friction at A and B are 0.6 and 0.2, respectively, and the coefficient of static friction between the wedge and the floor is 0.3. By assuming the negligible weight of the wedge, determine the force P required to lift the concrete cylinder in the direction shown.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.69P: The heat transfer coefficient between a surface and a liquid is 57 W/(m2K). How many watts per...

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