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Three identical 6.0-kg cubes are placed on a horizontal frictionless surface in contact with one another....

Three identical 6.0-kg cubes are placed on a horizontal frictionless surface in contact with one another. The cubes are lined up from left to right and a force is applied to the left side of the left cube causing all three cubes to accelerate to the right at 3.0 m/s2. What is the magnitude of the force exerted on the right cube by the middle cube in this case?

a. 18 N

b. none of the above

c. 12 N

d. 24 N

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Homework Answers

Answer #1

Here, the force on the right cube is given by

F = ma

Here the mass is identical and acceleration is same for all

F = 6*3

F = 18 N

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