Answer to Question #348890 in Physics for Grace Nate

Question #348890

A boy pulls a wagon with a force of 15 lb by means of a rope that makes an angle of 40 degrees with the ground. How much work does the he does in moving the wagon 50 ft?

Expert's answer

"W=Fd\\cos\\theta\\\\\n=\\rm 15\\: lb*50\\: ft*\\cos40^\\circ=575\\: lb*ft=424\\: J"

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