Three Identical 4

question 15

Multiple Choice

Three identical 4.0-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 4.0 m/s².What is the magnitude of the force exerted on the right cube by the middle cube in this case?

• A)16 N
• B)32 N
• C)24 N
• D)19 N
• E)none of the above

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