A 400-N Uniform Vertical Boom Is Attached to the Ceiling

question 36

Multiple Choice

A 400-N uniform vertical boom is attached to the ceiling by a hinge, as shown. An 800-N weight W and a horizontal guy wire are attached to the lower end of the boom as indicated. The pulley is massless and frictionless. The tension force T of the horizontal guy wire has magnitude:

• A) 350 N
• B) 400 N
• C) 690 N
• D) 800 N
• E) 1200 N

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Definitions:

Salvage Value

The projected amount an asset is expected to yield upon being sold at the conclusion of its usable lifespan.

Overhaul Costs

Expenses associated with major repairs or the restoration of equipment to ensure it operates efficiently.

Operating Costs

Expenses associated with the day-to-day functions of a business, excluding costs directly related to producing goods or services.

Profitability Index

A financial tool that calculates the ratio of the present value of future expected cash flows to the initial investment cost.