An Object of Mass 1 Kg Is Whirled Round in a Horizontal

question 3

Multiple Choice

An object of mass 1 kg is whirled round in a horizontal circle of radius 0.5 m on the end of a rope. When it rotates at 4 rev/s, the tension in the rope is:

• A) 8 N
• B) 158 N
• C) 316 N
• D) 632 N

---

Definitions:

Plan Assets

Resources set aside by a company in a dedicated fund to meet future pension benefits or other long-term employee benefits.

Vested Benefits

Employee benefits, such as pension funds or stock options, that are fully granted and cannot be forfeited even if the employment is terminated.

Projected Benefit Obligation

A liability amount that represents an estimate of the total future pensions benefits earned by employees, adjusted for expected future salary increases.

Pension Benefit Guaranty Corporation

A U.S. government agency that protects the retirement incomes of American workers in private sector defined benefit pension plans.