01_InstSolManual_PDF_Part11

# 01_InstSolManual_PDF_Part11 - A 5"1 2 8.0 N 2 2 1 1 12...

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Figure 1.41 Solve: (a) and (b) and (My calculator gives and (c) and (My calculator gives and (d) and (My calculator gives and Reflect: The signs of the components determine the quadrant in which the resultant lies. 1.42. Set Up: Use coordinates for which the axis is horizontal and the direction is upward. The force and its x and y components are shown in Figure 1.42. Figure 1.42 Solve: (a) (b) F y 5 F sin 37° 5 1 20.0 N 21 sin 37° 2 5 12.0 N F x 5 F 1 cos 37° 2 5 1 20.0 N 21 cos 37° 2 5 16.0 N y x F y F x F 5 20.0N 37 ° O F S 1 y 1 x u 5 f 1 180°.) f 5 2 56° u 5 124° tan u 5 12 N 2 8.0 N A 5 "
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Unformatted text preview: A 5 "1 2 8.0 N 2 2 1 1 12 N 2 2 5 14 N. u 5 f 1 360°.) f 5 2 62° u 5 298°. tan u 5 2 17 m / s 9 m / s A 5 "1 9.0 m / s 2 2 1 1 2 17 m / s 2 2 5 19 m / s; u 5 f 1 180°.) f 5 63° u 5 243°. tan u 5 2 6.0 m 2 3.0 m A 5 "1 2 3.0 km 2 2 1 1 2 6.0 km 2 2 5 6.7 km; u 5 51°. tan u 5 A y A x 5 5.0 m 4.0 m A 5 " A x 2 1 A y 2 5 "1 4.0 m 2 2 1 1 5.0 m 2 2 5 6.4 m; A y A x y x A ( c ) ( d ) A y A x y x A f f u u O O Models, Measurements, and Vectors 1-11...
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