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 µk=0.22. Consider particle analysis of the instant when P = 635N, 0 = 10° and a = 29°. Use the indicated coordinate axes.

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Chapter1: Units, Trigonometry. And Vectors
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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 µk=0.22. Consider particle analysis of the instant when P = 635N, 0 =
10° and a = 29°. Use the indicated coordinate axes.
P
3. Which of the following is closest to the magnitude of the component of the weight PARALLEL to the incline -
i.e., along x-axis?
62.0
10.94N
608N
107.3N
Transcribed Image Text: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 µk=0.22. Consider particle analysis of the instant when P = 635N, 0 = 10° and a = 29°. Use the indicated coordinate axes. P 3. Which of the following is closest to the magnitude of the component of the weight PARALLEL to the incline - i.e., along x-axis? 62.0 10.94N 608N 107.3N
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