A Piano Wire Has a Radius of 0

question 10

Multiple Choice

A piano wire has a radius of 0.50 mm.One end is fixed and the other is wrapped around a tuning peg,which has a diameter of 3.5 mm and is 80 cm away.After the wire just becomes taut,the peg is given three full turns.What is the tension in the wire? Young's modulus for steel is 2.0 × 10¹¹ N/m².

• A)3.8 kN
• B)4.3 kN
• C)6.5 kN
• D)8.7 kN
• E)9.8 kN

---

Definitions:

Net Property, Plant, And Equipment

This term refers to the aggregate amount of a company's physical assets (property, plant, and equipment) minus any accumulated depreciation, representing the actual value of these assets on the balance sheet.

Total Dollar Amount

The aggregate or total value expressed in dollars; often refers to the total sum of money involved in a transaction or financial statement item.

Current Ratio

A liquidity ratio that measures a company's ability to pay short-term obligations, calculated as current assets divided by current liabilities.

Current Liabilities

Short-term financial obligations that are due to be paid within one fiscal year or the operating cycle, whichever is longer.