An inclined plane is smoothly connected to a vertical loop of radius R. A small body, initially at rest, is released from an initial height H on the plane and then slides down and enters the loop. a) Assume that there is no friction anywhere. What is the minimum height Hmin such that the body remains in contact with the loop at the loop's highest point? b) Now assume that there is friction between the loop and the body with the coefficient of kinetic friction u while the inclined plane remains frictionless. What is the minimum height Hmin Such that the body remains in contact with the loop at the loop's highest point in this case?

An inclined plane is smoothly connected to a vertical loop of radius R. A small body, initially at rest, is released from an initial height H on the plane and then slides down and enters the loop. a) Assume that there is no friction anywhere. What is the minimum height Hmin such that the body remains in contact with the loop at the loop's highest point? b) Now assume that there is friction between the loop and the body with the coefficient of kinetic friction u while the inclined plane remains frictionless. What is the minimum height Hmin Such that the body remains in contact with the loop at the loop's highest point in this case?

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 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...

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