A 4 kg box is next to a 2 kg box on a rough horizontal surface. The coefficient of static friction is 0.3 and coefficient of kinetic friction is 0.2. a) What minimum horizontal force is needed to be applied to the 4 kg box in order to start to move both boxes horizontally? b) What is the acceleration of the boxes when they are moving by this force? c) Find the contact force between the boxes.
A 4 kg box is next to a 2 kg box on a rough horizontal surface. The coefficient of static friction is 0.3 and coefficient of kinetic friction is 0.2. a) What minimum horizontal force is needed to be applied to the 4 kg box in order to start to move both boxes horizontally? b) What is the acceleration of the boxes when they are moving by this force? c) Find the contact force between the boxes.
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 3P
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A 4 kg box is next to a 2 kg box on a rough horizontal surface. The coefficient of static
friction is 0.3 and coefficient of kinetic friction is 0.2.
a) What minimum horizontal force is needed to be applied to the 4 kg box in order to start
to move both boxes horizontally?
b) What is the acceleration of the boxes when they are moving by this force?
c) Find the contact force between the boxes.
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