Cindy exerts a force of 40 newtons and moves a chair 6 meters. Her brother Andy pushes a different chair for 6 meters while exerting a force of 30 newtons. Andy does work than Cindy. The difference of their amounts of work is Nm.
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clindy work=f×s=40×6=240Nm
Andy work=f×s=30×6=180Nm
difference=(240-180)Nm=60Nm
Andy work=f×s=30×6=180Nm
difference=(240-180)Nm=60Nm
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