The simplest measure of similarity between observations consisting solely of categorical variables is given by _____.
Answer: matching coefficient
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- One of the assumptions used when analyzing a simple truss is that the members are joined together by __________.
- What will be the easiest way to determine the force reaction BZ ?
- A plate is supported by a ball-and-socket joint at A, a roller joint at B, and a cable at C. How many unknown support reactions are there in this problem?
- When doing a 3-D problem analysis, you have ________ scalar equations of equilibrium.
- If a support prevents translation of a body, then the support exerts a ___________ on the body.
- If a support prevents rotation of a body about an axis, then the support exerts a ________ on the body about that axis.
- The three scalar equations, FX = FY = MO = 0, are ____ equations of equilibrium in two dimensions.
- The original force and couple system and an equivalent force-couple system have the same _____ effect on a body.
- Internal forces are _________ shown on the free body diagram of a whole body.
- If a support prevents translation of a body, then the support exerts a ___________ on the body.
- A general system of forces and couple moments acting on a rigid body can be reduced to a ___ .
- The moment of a couple is called a _________ vector.
- In statics, a couple is defined as __________ separated by a perpendicular distance.
- If r = {1 i + 2 j} m and F = {10 i + 20 j + 30 k} N, then the moment of F about the y-axis is ____ N·m.
- The triple scalar product u • ( r F ) results in
- When determining the moment of a force about a specified axis, the axis must be along _____________.
- If a particle has 3-D forces acting on it and is in static equilibrium, the components of the resultant force ( Fx, Fy, and Fz ) ___ .
- If a force of magnitude F can be applied in four different 2-D configurations (P,Q,R, & S), select the cases resulting in the maximum and minimum torque values on the nut. (Max, Min).
- For a frictionless pulley and cable, tensions in the cable (T1 and T2) are related as _____ .
- When a particle is in equilibrium, the sum of forces acting on it equals ___ .
- If a dot product of two non-zero vectors equals -1, then the vectors must be ________ to each other.
- If a dot product of two non-zero vectors is 0, then the two vectors must be _____________ to each other.
- The dot product of two vectors results in a _________ quantity.
- The dot product of two vectors P and Q is defined as
- The height of a building, measured in feet, is an example of
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.