# Hoja de trabajo 4 mecanica fisica

Universidad del Valle de GuatemalaLaboratorio MathcadMecánica 1Javier A. PatalCarné: 20037Sección: 20Hoja de Trabajo #4I. Resuelva los siguientes problemas:a. Determine la resultante de las fuerzas aplicadas45Rx ≔ 100 N + ― ((212 N)) – 180 N = 100 N53-28Ry ≔ ――((212 N)) – 88 N = -200 N53⎛⎝Rx⎞⎠ 2 + ⎛⎝Ry⎞⎠ 2 = 223.61 NR ≔ ‾‾‾‾‾‾‾‾‾‾‾⎛ Ry ⎞θ ≔ atan ⎜―⎟ = -63.43 deg⎝ Rx ⎠b. Localice los 2 puntos donde la línea de acción de la resultante intersecta el bordede la maleta∑ MB ＝ MB⎛ 28 ⎞MB ≔ ((0.53 m)) ⎜―⎟ ((212 N)) + ((0.1 m)) ((100 N)) + ((0.08 m)) ((88 N)) – ((0.28 m)) ((180 N))⎝ 53 ⎠MB = 26 J26 J= 130 mmx ≔ ―――200 Ny ≔ 2 x = 260 mm1Universidad del Valle de GuatemalaLaboratorio MathcadMecánica 1Javier A. PatalCarné: 20037Sección: 20a. Determine la resultante de las fuerzas aplicadasRx ≔ 25 N ⋅ cos ((60 deg )) – 40 N = -27.5 NRy ≔ -10 N + 25 N ⋅ sin ((60 deg )) = 11.65 N⎛⎝Rx⎞⎠ 2 + ⎛⎝Ry⎞⎠ 2 = 29.87 NR ≔ ‾‾‾‾‾‾‾‾‾‾‾⎛ Ry ⎞θ ≔ atan ⎜―⎟ = -22.96 deg⎝ Rx ⎠b. Localice los … Purchase document to see full attachment

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