An athlete pulls box E using an inextensible rope P while being resisted by another inextensible rope S. Let P be the tension force on rope P and S be the tension force on rope S. Consider particle analysis involving only forces P and S. The same athlete now pulls another box E of mass 63kg up an incline. The coefficients of friction between the box and the incline are us=0.32 and uk=0.22. Consider particle analysis of the instant when P = 635N, 0 = 10° and a = 29°. Use the indicated coordinate axes. P 4. Which of the following is closest to the friction force as the box moves up the incline? Hint: the normal force between the box and the incline is N=401.9N. 88.4 Ni -125.8 N i -88.4N i -493 Ni
An athlete pulls box E using an inextensible rope P while being resisted by another inextensible rope S. Let P be the tension force on rope P and S be the tension force on rope S. Consider particle analysis involving only forces P and S. The same athlete now pulls another box E of mass 63kg up an incline. The coefficients of friction between the box and the incline are us=0.32 and uk=0.22. Consider particle analysis of the instant when P = 635N, 0 = 10° and a = 29°. Use the indicated coordinate axes. P 4. Which of the following is closest to the friction force as the box moves up the incline? Hint: the normal force between the box and the incline is N=401.9N. 88.4 Ni -125.8 N i -88.4N i -493 Ni
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 32PQ: If the vector components of the position of a particle moving in the xy plane as a function of time...
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