A 45- kg box of books is pulled up a 366- m-long inclined


A 4.5- kg box of books is pulled up a 3.66- m-long inclined plank to a height of 1.4 m. A force of 22.1 N parallel to the incline is needed to pull the box up the plank. How much work is done by the 22.1- N force? What percent of the work is lost to friction (no units)? Please show work!

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Physics: A 45- kg box of books is pulled up a 366- m-long inclined
Reference No:- TGS0756032

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