C3/(c) the moment about point A is: 300 cm A 450 200 N
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- It can be show that a plane area may he represented by a vector A=A, where A is the area and represents a unit vector normal to the piano: of the area. Show that the area vector of the parallelogram formed by the vectors a and b shown in the figure is A=ab.Let A and B be two nonparallel vectors that lie in a common plane S. If C=A(AB), which of the following statements are true: (i) C = 0; (ii) Clies in plane S; and (iii) C is perpendicular to plane S?Determine (a) the angle between the position vectors P and Q; and (b) a unit vector perpendicular to P and Q.
- Find the internal force systems acting on sections 1 and 2.A circular region of radius R/2 is cut out from the circular region of radius R as shown. For what distance d will kx for the new region be the same as kx (for the region before the cutout was removed?The force R is the resultant of P and 0. Determine Q and the angle .
- Find a unit vector that is perpendicular to both A=4i-3j-2km and B=2i4j+3km.The intensity of the line loading acting on a quarter circle is w=w0(2/). Use intergration to determine the resultant of the loading and its line of action.*"Q5/ The moment about point O is 300 N 0.25m 1.5 m 50 N.M O 75 N.M O 450 N.M O
- Q2) for the tension load subject to the tip of the triangle to hold the gate, find the moment about O. 20 780 Lb 10 ft 10 ftStatus 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