Force $F$ Is Applied at D Along Line DB and Couple $\boldsymbol { M }$

question 9

Multiple Choice

Force $F$ is applied at D along line DB and couple $\boldsymbol { M }$ is perpendicular to plane ABC. Assume magnitudes F = 20 lb and couple M = 50 in-lb. The moment $\boldsymbol { M } \boldsymbol { A } \text { (in-lb) due to both } \boldsymbol { F } \text { and } \boldsymbol { M } \text { is: }$

• A) \(37 \boldsymbol { i } - 60 \boldsymbol { j } + 22 \boldsymbol { k }\)
• B) \(- 37 i - 60 j - 22 k\)
• C) \(- 37 i - 60 j - 22 k\).
• D) \(- 60 i - 37 j - 22 k\)

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Definitions:

Market Wage

The prevailing rate of pay for workers in a specific market, determined by the supply of and demand for labor.

Leisure

Free time available to an individual when not engaged in work or essential activities, often used for relaxation or recreational activities.

Pareto Efficient

An allocation of resources from which it is impossible to reallocate to make any one individual better off without making at least one individual worse off.

Trade

The exchange of goods, services, or both between two or more parties, either within the same country or internationally.