Reaction Forces Are Given in Terms of Load Variable P

question 1

Multiple Choice

Reaction forces are given in terms of load variable P for the truss below (see boxed expressions next to reaction force arrows) . The force in member FD is:

• A) 1.76P
• B) 21.76P
• C) 22.14P
• D) 24.24P

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Definitions:

Time Horizon

The length of time over which an investment, project, or policy is intended or expected to operate or have an impact.

Demand Curve

A demand curve is a graphical representation that shows the relationship between the price of a good and the quantity demanded by consumers over a certain period.

Law of Supply

An economic principle stating that as the price of a good or service increases, the quantity supplied of that good or service also increases, all else being equal.

Price-Elasticity

A measure of the responsiveness of demand or supply of a good or service to changes in its price.