A Short 10-G String Is Used to Pull a 50-G

question 2

Multiple Choice

A short 10-g string is used to pull a 50-g toy across a frictionless horizontal surface. If a 3.0 * 10^-2-N force is applied horizontally to the free end, the force of the string on the toy, at the other end, is:

• A) 0.15 N
• B) 6.0 * 10^-3 N
• C) 2.5 * 10^-2 N
• D) 3.0 * 10^-2 N
• E) 3.5 *10^-2 N

---

Definitions:

Unit Contribution Margin

The difference between the selling price per unit and the variable cost per unit, showing how much each unit contributes to covering fixed costs and earning profit.

Operating Income

The profit earned from a firm's normal core business operations, excluding deductions of interest and taxes.

Fixed Costs

Expenses that do not change in proportion to the volume of goods or services a company produces.

Capacity

The maximum output or producing ability of a plant, machine, or company under normal or specific conditions.