For what value M of the clockwise couple will the horizontal component Ax of the pin reaction at A be zero? If a couple of that same magnitude M were applied in a counterclockwise direction, what would be the value of A,? 2.6 2.6' 1.5' 125 lb 1.5' M 59 Answers: M = i Ib-ft Ax = i Ib
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- Help with physics review problemTwo vectors have the following magnitude, A = 8.7 m and B = 10.6 m. Their vector product is: A.B = -2.7 mi+ 8.6 m k. What is the angle (in degrees) between the vectors A and B? Hint: Use |AxB| = AB sin(0) Note: Bold face letters represents a vector.v = i - 5j, w = 2i +j+ 2k and the angle between v and w is 45, find v. w and v X w
- In a hydrochloric acid (HCI) molecule, the distance between the hydrogen atom and the chlorine atom is 1.27 x 10 10 meters. The mass of an hydrogen atom is 2 atomic mass units (amu) and the mass of a chlorine atom is 35 amu. How far from the hydrogen (H) atom is the center of mass of the molecule, in meters? Justify your answer using your equations and rationale used.Two vectors have the following magnitude, A = 14.1 m and B = 7.9 m. Their vector product is: AxB = -2.9 mi+ 11.1 m k. What is the angle (in degrees) between the vectors A and B? Hint: Use |AxB| = AB sin(0) Note: Bold face letters represents a vector.In the cross (or vector) product F = qu x B we know that q = 1 F = −29î + −16ĵ + −18k 6.01 +3.07 + 7.0k V = B = B + BJ + Bi What then is B in unit-vector notation if Bx = By? B = i î+ i Ĵ+ i
- Vector A = 4.5 i+ 3.2 j. Vector B = 4.5 i + 4.2 j. The dot product of the two %3D is C = A•B (i.e. A dot B). The value of C is:Two vectors are given by a = 1.5î−4.0ĵ and b = −11.9î + 8.1ĵ. What is the magnitude of b? i already found out magnitude of b is 1.44 but how to calculate the angle between vector b and the positive x-axis?9. 10 The equation of the graph above is A P-10Q +5 B C P=-2Q+10 D P - 2Q + 10 P 5Q-10
- Two vectors, a and b, are shown in the diagram below. The x-component of their sum (a + b) is -5 20 units. The x-component of the difference (a - b) is -15 A/ units and the y-component of the sum is A difference is 10 units. Watch the positive and negative signs. A/ units and the y-component of the A/Determine the angles made by the vector V = -41i + 54j with the positive x- and y-axes. Write the unit vector n in the direction of V. Answers: 0x = 0 0y= n= i+ i i iDetermine the magnitude of the vertical reaction (N) at A if P = 355 N and Q = 2100 N. Let x = 2.45 m, y = 2.56 m, and z = 2.06 m. Round off only on the final answer expressed in 3 decimal places. Instead of units, indicate the direction of the horizontal reaction at A: use R if to the right and L if to the left.