Three Identical 6

question 3

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 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) 12 N
• B) 18 N
• C) 24 N
• D) none of the above

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