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May 26, 2015

Homework Help: Physics

Posted by KC on Monday, April 6, 2009 at 4:10pm.

Calculate the work done by the applied force accelerating a 2 kg object at 3 m/s/s over 4 m if there is a 2.5 frictional force of resistance. I calculated using F=ma=6N; then net force = 6N-2.5N=3.5 N so W=fd=14J. Did I do this correctly? Thanks

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