Stewart James, Calculus, Section 6.4, Page 449, Problem 5

Shown is the graph of a force function (in newtons) that increases to its maximum value and then remains constant. How much work is done by the force in moving an object a distance of 8 m?

Can someone please help us with this question. The answer we keep getting does not match the answer displayed in the back of the book.

Thanks!

Answer :

syed514
The total work done is 
W=60 plus 120
=180J

For the graphs please find the attached image
${teks-lihat-gambar} syed514

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