Two branches of statistics are independent and dependent statistics.
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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
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