A block with mass of ?1 = 2 ?? is placed on top of a block with a mass ?2 = 4 ??. A horizontal force of F=60 N is applied to the block ?2, and the block ?1 is tied to the wall. The coefficient of kinetic friction between all surfaces is 0.400. (a) Draw a free-body diagram for each block and identify the action–reaction forces between the blocks. (b) Determine the tension in the string and the magnitude of the acceleration of the block ?2.

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
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 47P: Two blocks of mass 3.50 kg and 8.00 kg are connected by a massless string that passes over a...
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A block with mass of ?1 = 2 ?? is placed on top of a block with a mass
?2 = 4 ??. A horizontal force of F=60 N is applied to
the block ?2, and the block ?1 is tied to the wall. The
coefficient of kinetic friction between all surfaces is
0.400.

(a) Draw a free-body diagram for each block and
identify the action–reaction forces between the blocks.

(b) Determine the tension in the string and the magnitude of the acceleration of the block ?2.

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