006 (part 1 of 5) A 15.6 kg block is dragged over a rough, hor- izontal surface by a constant force of 172 N acting at an angle of angle 29.5 above the horizontal. The block is displaced 34.4 m and the coe cient of kinetic friction is 0.247. 172 N 29.5 15.6 kg H = 0.247 %3D Find the work done by the 172 N force. The acceleration of gravity is 9.8 m/s. Answer in units of J. 007 (part 2 of 5) Find the magnitude of the work done by the force of friction. Answer in units of J. 008 (part 3 of 5) What is the sign of the work done by the frictional force?

006 (part 1 of 5) A 15.6 kg block is dragged over a rough, hor- izontal surface by a constant force of 172 N acting at an angle of angle 29.5 above the horizontal. The block is displaced 34.4 m and the coe cient of kinetic friction is 0.247. 172 N 29.5 15.6 kg H = 0.247 %3D Find the work done by the 172 N force. The acceleration of gravity is 9.8 m/s. Answer in units of J. 007 (part 2 of 5) Find the magnitude of the work done by the force of friction. Answer in units of J. 008 (part 3 of 5) What is the sign of the work done by the frictional force?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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