A Horizontal Force of 200 N Is Applied to a 55-Kg

question 23

Multiple Choice

A horizontal force of 200 N is applied to a 55-kg cart across a 10-m level surface.If the cart accelerates at 2.0 m/s²,then what is the work done by the force of friction as it acts to retard the motion of the cart?

• A)-1 100 J
• B)-900 J
• C)-800 J
• D)-700 J

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Definitions:

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