A 30-Kg and a 5

question 20

Multiple Choice

A 3.0-kg and a 5.0-kg box rest side-by-side on a smooth,level floor.A horizontal force of 32 N is applied to the 5.0-kg box pushing it against the 3.0-kg box,and,as a result,both boxes slide along the floor.How hard do the two boxes push against each other?

• A)12 N
• B)20 N
• C)24 N
• D)32 N
• E)0 N

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