Determine the resultant of the general force system, and find moment about x,y,z? 40KN 15cm locm 60KN 389 40 Cm iookN 20 KN loo KN IN
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- The force F=2i12j+5klb acts along the line AB. Recognizing that the moment of F about point B is zero, determine the x- and z-coordinates of point B.The moment of the force F=50i100j70klb about point O is MO=400i+410j300klbft. Determine the coordinates of the point where the line of action of F intersects the xz-plane.2/27 The 4-kN force F is applied at point A. Compute the moment of F about point O, expressing it both as a scalar and as a vector quantity. Determine the coor- dinates of the points on the x- and y-axes about which the moment of F is zero. Ans. Mo = 2.68 kN m CCW, Mo (х, у) 2.68k kN m %3D %3D (-1.3, 0) and (0, 0.78) m у, т А (1.2, 1.5) 3 F = 4 kN 10 x, m
- om/u/2/c/Mjc5NDg1NjM2NTg3/a/MzlyMTkxMTUOMjk4/details 47. If thel moment produced by the 4-kN force about point A is 10 kN m clockwise, determine the angle 4, where 3 m 0.45 mFind the resultant force of the following? B F3 = 700 N 6 m F = 400 N 2 m 3 m F2 = 800 NTear my cnolce The resultant moment of the four forces about point O is. 50 N 3m 60 N 30 2 m 2 m 20 N 40 N Select one: O a. 3.92 N.m
- my choice The moment of the force F=720-lb about the point O in Cartesian vector form is. 1 ft B 4 ft 2 ft AC A 4 ft Select one:Q2: Determine the magnitude of the resultant moment about A. Also, find the location of the resultant forces. 8kN 6kN 4kN 2m I-Sm 2mStatus F(N) X1 (m) 0.8 X2 (m) Y1 (m) 2.4 21 (m) 1.8 400 1.7 oaded system below, determine the moment about point C and the moment about line OC. Select the dosest choice to your solution and ONLY TYPE THE LETTER IN THE BLANK ((A B.CD. E Y1 The force FAB(in N) in cartesian vector form A FAB-457+ Oj- 483k B. FAR- 1821 + oj - 192k C. FAB-O- 291)- 291k D. FAB- 2751 + Oj - 291k E. FAR-1821 -291) - 192k X1 Answer for (Q1 Z1 The moment about point C (in N.m): A Mc-698I- 233- 660k 8. MC 461i-660 - 436k C. MC-2331 - 660 - 660k D. MC--11591 - 387) - 1096k E. MC4611-154 - 436k F. Answer for (Q2): X2 The moment about line OCC A. -776 N.m B. -1285.9 N.m C. -886.8 N.m D. -1019.8 N.m E. 1197.2 N.m Answer for (Q3): X1 (m) 0.8 X2 (m) 1.7 Y1 (m) 2.4 21 (m) 1.8 (N) ec : bsest choice to your solution and ONLY TYPE THE LETTER IN THE BLANK (A B.CD. E). :01 l 4G
- 3. Determine the resultant moment produced by the forces about point O. 500N 300N 15 25 m -2 m 600 N tano-" Answer: Mo = 1253.55 .mTime A force F= 120 i + 240 j + 0 k (N) is applied at a point A in the x-y plane with XA 2.3 m. yA 2.6 m and ZA = 0.0 m Determine the moment (Ma) about B of the force F exerted on the point A (ie. find the components in the i. j and k direction of the moment of F about B). The coordinates of B are: X8 = 1 m, yB = 1.7 m and zg = 1.2 m All unit provided are Sl unites. Hint use the cross product YA Ye B. 20 Ma in the x (i) direction (N-m) = Ma in the y ) direction (N-m)= Ma in the z (k) direction (N-m)B1.5 m 1.5 m P= 0.8 kN T-1.2 kN 3m 2 m 1.5 m 3 m Determine the x-, y-, and z- components of T. Determine the angles which the line of action of T forms with the positive x-, y-, and z-axes. Calculate the projection of P onto a line between A and F and determine the angle between P and AF. Determine the vector expression for the moment of P about point E.