1. A 20 kg block is resting on a 40 degree incline. If the coefficient of static and kinetic friction are O. 20 and 0. 15 respectively, what minimum force inclined 50 degrees from the horizontal is required to prevent movement? Without said preventive force, what is the velocity of the block after 5 seconds?

1. A 20 kg block is resting on a 40 degree incline. If the coefficient of static and kinetic friction are O. 20 and 0. 15 respectively, what minimum force inclined 50 degrees from the horizontal is required to prevent movement? Without said preventive force, what is the velocity of the block after 5 seconds?

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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