A Plane Truss Has Downward Applied Load P at Joint $-P / 2$

question 82

Short Answer

A plane truss has downward applied load P at joint 2 and another load P applied leftward at joint 5. The force in member 3-5 is: (A) 0
(B) $-P / 2$
(C) $-P$
(D) $+1.5 P$

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Definitions:

Mark-Up

The amount added to the cost price of goods to cover overhead and profit; it is the difference between the cost of a good or service and its selling price.

Market Power

The ability of a company or entity to influence the price and output levels in a market.

Elasticity Of Demand

A measure of how much the quantity demanded of a good changes in response to a change in its price.

Mark-Up

A percentage added to the cost price to determine the selling price.