FIGURE 11-6 -A 3.00-M-Long Ladder, Weighing 200 N, Rests Against a Smooth

question 64

Multiple Choice

FIGURE 11-6
-A 3.00-m-long ladder, weighing 200 N, rests against a smooth vertical wall with its base on a horizontal rough floor, a distance of 1.00 m away from the wall. If the center of mass of the ladder is 1.20 m from its base, what frictional force must the floor exert on the base of the ladder in order for the ladder to be in static equilibrium?

• A) 93.3 N
• B) 130 N
• C) 28.3 N
• D) 102 N
• E) 150 N

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Definitions:

Operating Costs

Expenses associated with the day-to-day functions of a business, excluding costs associated with production or acquisition of goods.

Depreciable Cost

Depreciable cost is the cost of a fixed asset that is subject to depreciation over its useful life, excluding salvage value.

Depreciation Rate

A percentage rate used to calculate the decrease in value of an asset over time for accounting and tax purposes.

Units-of-Activity

A depreciation method that allocates the cost of an asset over its useful life based on the units it produces or hours it operates.