Answered: A wooden box weighing 100 kg is being…

A wooden box weighing 100 kg is being pulled up on a frictionless incline, as shown. Calculate the Normal force and the minimum force P in order to move the box upward. 100 kg 20 15

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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Concept explainers

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

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A wooden box weighing 100 kg is being pulled up on a frictionless incline, as shown. Calculate the Normal force and the minimum force P in order to move the
box upward.
100 kg
20
15

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