Three Blocks Are Connected by Massless Cords and Rest on a Frictionless

question 21

Multiple Choice

Three blocks are connected by massless cords and rest on a frictionless horizontal surface. The blocks are pulled to the right. Mass m₁ = 2m₂ = 3m₃, with m₁ on the left and m₃ on the right. If the pulling force is equal to 90 N, then the tension in the cord between m₁ and m₂ is

• A) 49 N.
• B) 15 N.
• C) 100 N.
• D) 44 N.
• E) 85 N.

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Deflation

Deflation is a decrease in the general price level of goods and services in an economy over a period, indicating negative inflation.

Money Demand Curve

A graphical representation illustrating the relationship between the quantity of money demanded and the interest rate, showing how they vary inversely.

Inflation Rate

The annual rate at which the cost of goods and services rises within an economy, reflecting a growth in price levels over time.

Price Level

An indicator of the mean cost of goods and services within an economy at a particular moment.