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A block of mass 5 kg is pulled on a frictionless floor by a force of 210 N directed at 30° to thehorizontal if the block moves 3.0m find the work done by the force:A. 21513N B. 315/3 N C.415/3ND. 11573 N |
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Answer» Answer: 315√3 Explanation: w=f×d×cos angle w=210×3×cos 30 w=630×√3/2=315√3 |
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