A cubical box is filled with sand and weighs 890 N. We wish to “roll" the box by pushing horizontally on one of the upper edges. What minimum coefficient of static friction between box and floor is required?

A cubical box is filled with sand and weighs 890 N. We wish to “roll" the box by pushing horizontally on one of the upper edges. What minimum coefficient of static friction between box and floor is required?

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter10: Motion In A Noninertial Reference Frame

Section: Chapter Questions

Problem 10.3P

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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

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A cubical box is filled with sand and weighs 890 N. We wish to “roll" the box by pushing
horizontally on one of the upper edges. What minimum coefficient of static friction
between box and floor is required?

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