A small box of mass m is placed on top of a larger box of mass 2m as shown in Figure. When a force is applied to the large box, both boxes accelerate to the right with the same acceleration. If the coefficient of friction (static/kinetic) between all surfaces is µ, what would be the magnitude of the force and what would be the acceleration ?

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 7.3P: Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair...
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QUESTION 11
A small box of mass m is placed on top of a larger box of mass 2m as shown in Figure. When
a force is applied to the large box, both boxes accelerate to the right with the same
acceleration. If the coefficient of friction (static/kinetic) between all surfaces is u, what would
be the magnitude of the force and what would be the acceleration ?
m
F
2m
O 1.3m( µ+ g), g
O 2.3µmg, µg
O 3. 6umg, µg
O 4. The information given in the problem is insufficient.
Transcribed Image Text:QUESTION 11 A small box of mass m is placed on top of a larger box of mass 2m as shown in Figure. When a force is applied to the large box, both boxes accelerate to the right with the same acceleration. If the coefficient of friction (static/kinetic) between all surfaces is u, what would be the magnitude of the force and what would be the acceleration ? m F 2m O 1.3m( µ+ g), g O 2.3µmg, µg O 3. 6umg, µg O 4. The information given in the problem is insufficient.
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