The 20 kg disc A is attached to the 10 kg block B using the cable and pulley system shown in Fig. 1. The mass of the pulley can be neglected. (a) If the disk rolls without slipping, determine its angular acceleration and the acceleration of the block when they are released. (b) Calculate the tension in the cable. (c) Calculate the minimum coefficient of friction between the disk and the surface, so that the disk will roll without slipping.

The 20 kg disc A is attached to the 10 kg block B using the cable and pulley system shown in Fig. 1. The mass of the pulley can be neglected. (a) If the disk rolls without slipping, determine its angular acceleration and the acceleration of the block when they are released. (b) Calculate the tension in the cable. (c) Calculate the minimum coefficient of friction between the disk and the surface, so that the disk will roll without slipping.

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 7.23P: The 40-lb spool is suspended from the hanger GA and rests against a vertical wall. The center of...

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