A Horizontal Force of 750 N Is Needed to Overcome

question 39

Multiple Choice

A horizontal force of 750 N is needed to overcome the force of static friction between a level floor and a 250-kg crate.What is the acceleration of the crate if the 750-N force is maintained after the crate begins to move and the coefficient of kinetic friction is 0.16?

• A) 1.8 m/s²
• B) 1.4 m/s²
• C) 3.0 m/s²
• D) 2.1 m/s²

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