A boy has filled his toy box with all his favorite toys and it trying to drag it across the floor. The toy box has a mass of 35 kg (including the toys) and the child pulls with a force of 24 N at an angle of 30 degrees above horizontal (he is pulling mostly horizontally, but some of the force is pulling up). If friction had a noticeable impact on the box, how could you determine if the box would start sliding along the ground when the boy started pulling? Your answer: The horizontal component of the boy's pulling force would need to be stronger than the maximum static friction force. The horizontal component of the boy's pulling force would need to be stronger than the maximum kinetic friction force. The vertical component of boy's pulling force would need to be stronger than the force of gravity. The vertical component of boy's pulling force would need to be stronger than the normal force.
A boy has filled his toy box with all his favorite toys and it trying to drag it across the floor. The toy box has a mass of 35 kg (including the toys) and the child pulls with a force of 24 N at an angle of 30 degrees above horizontal (he is pulling mostly horizontally, but some of the force is pulling up). If friction had a noticeable impact on the box, how could you determine if the box would start sliding along the ground when the boy started pulling? Your answer: The horizontal component of the boy's pulling force would need to be stronger than the maximum static friction force. The horizontal component of the boy's pulling force would need to be stronger than the maximum kinetic friction force. The vertical component of boy's pulling force would need to be stronger than the force of gravity. The vertical component of boy's pulling force would need to be stronger than the normal force.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 43P: Consider the three connected objects shown in Figure P5.43. Assume first that the inclined plane is...
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