04_InstSolManual_PDF_Part2

04_InstSolManual_PDF_Part2 - R x 2 1 R y 2 5 886 N R y 5 F...

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4.3. Set Up: The force and its horizontal and vertical components are shown in Figure 4.3. The force is directed at an angle of above the horizontal. Figure 4.3 Solve: Reflect: We could also find the components of in the directions parallel and perpendicular to the incline but the problem asks for horizontal and vertical components. 4.4. Set Up: Take to be upward, so The strap on each side of the jaw exerts a force F directed at an angle of above the horizontal, as shown in Figure 4.4. Figure 4.4 Solve: so 4.5. Set Up: Let and The angles that each force makes with the are and Solve: (a) (b) so u 5 78.1° tan u 5 R y R x R 5 " R x 2
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Unformatted text preview: R x 2 1 R y 2 5 886 N; R y 5 F 1 y 1 F 2 y 1 F 3 y 5 847 N R x 5 F 1 x 1 F 2 x 1 F 3 x 5 179 N; F 3 y 5 F 3 sin u 3 5 2 328 N F 3 x 5 F 3 cos u 3 5 2 247 N; F 2 y 5 F 2 sin u 2 5 668 N F 2 x 5 F 2 cos u 2 5 2 418 N; F 1 y 5 F 1 sin u 1 5 507 N F 1 x 5 F 1 cos u 1 5 844 N; u 3 5 233°. u 2 5 122°, u 1 5 31°, 1 x-axis u F 3 5 411 N. F 2 5 788 N, F 1 5 985 N, F 5 3.15 N. g F y 5 2 F sin 52.5° 5 5.00 N, O F F x y 52.5° 52.5° 52.5° g F y 5 5.00 N. 1 y F S F v 5 F sin 50.0° 5 287 N. F h 5 F cos 50.0° 5 241 N; x y 50.0° F v F F h 20.0° 1 30.0° 5 50.0° 4-2 Chapter 4...
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