A Split Highway Has a Number of Lanes for Traffic

question 47

Multiple Choice

A split highway has a number of lanes for traffic. For traffic going in one direction, the radius for the inside of the curve is half the radius for the outside. One car, car A, travels on the inside while another car of equal mass, car B, travels at equal speed on the outside of the curve. Which statement about resultant forces on the cars is correct?

• A) The force on A is half the force on B.
• B) The force on B is half the force on A.
• C) The force on A is four times the force on B.
• D) The force on B is four times the force on A.
• E) There is no net resultant force on either as long as they stay on the road while turning.

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Definitions:

Consumption

The process by which goods and services are used by households, contributing to the overall demand in an economy.

Induced Consumption

Induced consumption is the portion of consumer spending that varies with income levels, suggesting that as people earn more, they tend to spend more.

Disposable Income

Household fiscal resources for saving and spending following the deduction of income taxes.

Autonomous Consumption

The level of consumption that occurs when income is zero, representing the expenses that consumers must make for basic needs regardless of their income.