3- Two vectors A-i+2j-k written and lying in the xy-plane, the A.B can be A: 12 В: 10 C: 6 D. 0
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A: Option d is correct.
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Q: In the figure shown. The X component of P is 893 N. Determine P and its Y component.
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Q: Z k j O a zero O b. i O c. -i O d. 1 Y From the definition of the cross product of vectors: jxj=
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Q: 4. Three vectors A = 2i+j-k, B=i+j-2k, and C= i +3j - k, where SB + C is perpendicular to A, the…
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Q: Q3: Two vectors A=i+ 3j - 2k B=-i 2j +3k Find: a- A- 2B b- A. B
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Q: 5. The rectangular components of force are respectively. 220° 100 N (a) -100 sin 220°, –100 cos 220°…
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Q: 1)State the order of each of the following differential equations b) y'' + 2y" + y'=0
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Q: 01) Given the figure, AB=5m, BC= 8m and AG= 7m and pt 0 is origin. Determine the following: 1) What…
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Q: 1 !!!!! S 42 42 superposition find RA, R8
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Q: 40 N 30 N 40 mm 20 N 10 N 20 30 mm mm A 20°
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Q: 4. The non-conservative force decreases toward the center of the potential function. O True O False
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Q: In the Figure 2, the resultant R can be found as: R* Figure 2: R P R² = P² + Q² - 2PQ cos B O True O…
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Q: * "Q6/ The moment about point O is 2.5m 4m 30 F=100 N 121.4 N.M 221.4 N.M O 321.4 N.M
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Q: u Faces of the resultant system of converging forces in Figure (2). 1KN 2000 Fal 500N 400N X
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- 1- In space ,the point can be specified by position vector r wnich is given by: A:r-ix+ jy c r=ix+ jy + kz B:r=ix+ D:r=ixGiven two vectors: The vector product M . N equals (A) O B) 19 29 D) No answer E 10 M = -31 +6ĵ- 5k and Ñ = -2î +3j + k :For the given 2D element shown in the diagram with positions A = 5 m and B = 5 m, answer the following: a) X (0,B) 1 2 (0,0) 3 (A,B) DIAGRAM NOT TO SCALE Write the expression of basis function associated with point 1, in terms of x and y Submit part Unanswered b) The displacement of node 3 is 0.3 m in the x direction, and 0 in the y. All other node displacements are zero. What is the normal strain component across the element? Submit part Unanswered
- Consider the following vectors: • F = 10 @ 0° • G = 5 @ 180° What is the solution to F+G? O -10 @ 0° 10 5 @ 180° 7.5 @ 45° O 10 @ 0° -15 5 @ 0° -5 O 15 O -10The linkage in Figure 1 has link 3 perpendicular to the X axis and links 2 and 4 are parallel to each other. Find @3, 04, VP, α4, AA, AB, and Ap if ₂ = 15 rad/sec CW and α2 = 100 rad/sec² CW. Use an analytical method. B YA 02 2 04 X Figure 1 L₁ = 4.43 L2 = 2.75 L3 3.26 L4 2.75 AP = 1.632. Evaluate the determinant using Laplace Cofactor expansion by row 1. 15 -1 2| 2 3 4 l3 -1 21
- 3 points are plotted in the x, y, & z-plane as follows: A(-1,0,3); B(4, 2, 0); C(0,-1,-1). Establish a position vector from point B to point A. Please include a free-body diagram if possible. Choices are as follows: a) 0.81i + 0.32j - 0.49kb) 0.78i + 0.59j - 0.20kc) 0.24i - 0.24j - 0.94kd) 0.81i + 0.32j + 0.49ke) 0.81i - 0.32j + 0.49kf) 0.24i + 0.24j + 0.94kg) 0.78i - 0.59j - 0.20kh) 0.81i - 0.32j - 0.49ki) 0.78i + 0.59j + 0.20kj) 0.78i - 0.59j + 0.20kk) 0.24i - 0.24j + 0.94kl) 0.24i + 0.24j - 0.94k3一4 Problem 1 Find the centroidal coordinates for the following triangles using the integrals SycdA S dA and %3D = X vp S You may utilize symmetry when appropriate. (-3,4) (3,4) (0,0) a. (5,4) (5,1) b. (4'0) (0) C. ×て (3,4) す Th-てh:8018 (-)Q3/A For the figure below, the resultant is.: * 20 Ν 75 N 450 50 N 150 N 259 80 N Q3/B) The direction of the resultant approximately is * Q3/C/SumFx= * Q3/D/SumFy: *
- - The projection of the vector i+3j+7k on the vector 2î + 6j+3k is: a: 41 41 b: 7V59 41 c: V59 d: 410 / 36 110% Q22](problem 2/28: p37) (¿ãt2) Determine the resultant `R" of the two forces Shown in fiqure, and find the angle o" between R and A- 10 800 N the x-axis . 900 N 25 4" Ane R=10379 N . 0 =66-8 Q23]( problem 2/25 's p37) Exemple201-2o At What angle x must the Type here to searchNormalize the vectors below. 1 -0.1 -2 5 0.1 4-8-0