Question

lume Quiz - Ch. 3 Due: Thursday 9/19 in class Please show your work in a neat and organized fashion. Boy Your proper units. Use 2 or 3 significant figure propriate for the problem from Internet sites or Cheating in any form is strictly prohibited and there will be consequences. 1) Determine the magnitude and directional sense of the resultant moment of the forces A and B about point P. (6 points) 40 lb 6 in A 45 3 in. 13 in 307 OD F=60 TD the magnitude of the moment produced by this fo Cartesian vector form. (6 po

Answer 1

Fax = - 60 min 30= -30 11 Fay = - 60 cos30 – 51.962 16. --301 - 51.9627 Fox= – 40 cos 45 - 28.2847 FBy = - 40 sin 45º = -28.284; FB = - 28.284 ? - 28.2843 COORDINATES OF P, A4 B.. P(-6,-3) - OP = - 67-37 A (12,-5) OR = 12E-57 B (63) OB = Gł + 37. SPA = oh op = 187-25 Spa on-op = 22 i +67. mpa Fox For & Tre & Fo = (182–28) × (-30% -51.9625) + (122+65) * (-28.2842 - 28.2845). =-116 5. OZ ..MA GM TUDE = 1165.02 lb.in TO TPE PAGA DIRECTIONAL SENSE CLOCReWise, DIRECTED