A 122.2 N carton is pulled up a frictionless Exercise 6.11 Calculate the work do

Question

A 122.2 N carton is pulled up a frictionless Exercise 6.11 Calculate the work done on the carton by the rope. answer using three significant figures. A 122.2 N carton is pulled up a f inclined at 26.0° above the horizontal by a rope exerting a 70.4 N pull parallel to the ramp's surface. The carton travels 6.60 m along the surface of the ramp your Submit Part B Calculate the work done on the carton by the gravity Express your answer using three significant figures Submit My Answers Give Up Part C

Explanation / Answer

W = F.d (dot product)

W = F d cos(theta)

theta is the angle between F and d.

(A) W = (70.4) (6.60) (cos0) = 464.4 J

(B) W = (122.2)(6.60) (cos(90+26))

W = - 353.6 J

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