Figure 1The diagram above (Figure 1) shows the situation forthe three questions below (questions 1, 2, and 3). Thenumbers will change in each question but the situationis the same. Adam is pushing a cart which rolls on thefloor with negligible friction. There is a book on top ofthe cart. The book moves with the cart (the book doesnot slide on the surface of the cart). This problem also refers to the diagram before question1.There is no friction between the cart and the floor. Thebook moves with the cart with no sliding between thebook and the surface of the cart. The cart has a mass of15.1 kilograms and the book has a mass of 2.86kilograms.The coefficient of static friction between the book andthe cart is 0.43. The coefficient of kinetic frictionbetween the book and the cart is 0.26.As Adam pushes the cart for a distance d; of 2.39meters, the cart accelerates to the right with a constantacceleration of 1.82 meters per second squared. For thepurposes of this problem, the acceleration of objects infreefall is g = 9.81 m/s?.Calculate the work in joules that the book (only thebook) did on the cart (only the cart) via the friction forcebetween the book and the cart (and only via the frictionforce) as it moved to the right a distance di meters. Thesign (positive or negative) is important.

Answered: Image /qna-images/answer/de08d955-c7ce-4486-9588-3fec927949b3.jpg

Figure 1 The diagram above (Figure 1) shows the situation for the three questions below (questions 1, 2, and 3). The numbers will change in each question but the situation is the same. Adam is pushing a cart which rolls on the floor with negligible friction. There is a book on top of the cart. The book moves with the cart (the book does not slide on the surface of the cart).

Figure 1 The diagram above (Figure 1) shows the situation for the three questions below (questions 1, 2, and 3). The numbers will change in each question but the situation is the same. Adam is pushing a cart which rolls on the floor with negligible friction. There is a book on top of the cart. The book moves with the cart (the book does not slide on the surface of the cart).

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 68A

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