A Ladder of Uniform Density,length L and Weight W Rests $\circ$

question 2

Multiple Choice

A ladder of uniform density,length L and weight W rests on a rough floor (µ_s = 0.45) and against a frictionless wall.The maximum value of the angle between the wall and the ladder to prevent slipping is

• A)42 \(\circ\) .
• B)37 \(\circ\) .
• C)29 \(\circ\) .
• D)24 \(\circ\) .
• E)19 \(\circ\) .

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Definitions:

Efficiency Loss

Reductions in combined consumer and producer surplus caused by an underallocation or overallocation of resources to the production of a good or service. Also called deadweight loss.

Deadweight Loss

A loss of economic efficiency that occurs when the equilibrium for a good or service is not achieved or is not achievable.

Actual Production

The quantity of goods or services produced by a firm, industry, or economy within a specific period, factual and not estimated.

Consumer Surplus

The variance between what consumers are ready and capable of spending on a product or service and the actual sum they end up paying.