Three Identical 6

question 28

Multiple Choice

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 36-N force is applied to the left side of the left cube causing all three cubes to accelerate to the right.If the cubes are each subject to a frictional force of 6.0 N,what is the magnitude of the force exerted on the right cube by the middle cube in this case?

• A)12 N
• B)24 N
• C)36 N
• D)none of the above

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