Two Blocks of Masses 20 Kg and 8

question 38

Multiple Choice

Two blocks of masses 20 kg and 8.0 kg are connected together by a light string and rest on a frictionless,level surface.Attached to the 20-kg mass is another light string,which a person uses to pull both blocks horizontally.If the two-block system accelerates at 0.50 m/s² what is the tension in the connecting string between the blocks?

• A) 14 N
• B) 6.0 N
• C) 10 N
• D) 4.0 N

---

Definitions:

Shifting Demand Curve

A shifting demand curve occurs when there is a change in a non-price factor, such as consumer preference or income, altering the quantity demanded at any given price.

Price-Consumption Curve

A graphical representation that shows the combination of two goods that a consumer can purchase at different prices, keeping utility constant.

Utility

A measure of satisfaction or happiness that a consumer derives from consuming goods and services.

Income-Consumption Curve

Curve tracing the utility-maximizing combinations of two goods as a consumer’s income changes.