A 500-Kg Box Is Resting on a Horizontal Floor

question 78

Multiple Choice

A 50.0-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 20.7° below the horizontal is applied to the box. The coefficient of kinetic friction between the box and the surface is 0.300. What is the acceleration of the box?

• A) 1.21 m/s²
• B) 1.77 m/s²
• C) 2.84 m/s²
• D) 3.54 m/s²
• E) 5.14 m/s²

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