An athlete pulls a box E of mass m = 70kg down an incline, as shown. The coefficients of friction between the box and the incline are us-0.40 and uk-0.30. Consider particle analysis of the instant when the force used to pull is 300N. Let 8 = 300 and a = 120. Use the indicated coordinate axes. ala E 0 What is the magnitude of the component of the weight PARALLEL to the incline - i.e., along x-axis?

An athlete pulls a box E of mass m = 70kg down an incline, as shown. The coefficients of friction between the box and the incline are us-0.40 and uk-0.30. Consider particle analysis of the instant when the force used to pull is 300N. Let 8 = 300 and a = 120. Use the indicated coordinate axes. ala E 0 What is the magnitude of the component of the weight PARALLEL to the incline - i.e., along x-axis?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 40P: A sledge is being pulled by two horses on a flat terrain. The net force on the sledge can be...

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