An Object Floats on the Surface of a Fluid

question 14

Multiple Choice

An object floats on the surface of a fluid.For purposes of calculating the torque on it, the buoyant force is taken to act at:

• A)the center of the bottom surface of the object
• B)the center of gravity of the object
• C)the center of gravity of the fluid that the object replaced
• D)the geometric center of the object
• E)none of the above

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Definitions:

Misery Index

The misery index is an economic indicator created by adding the unemployment rate to the inflation rate, designed to measure the health of an economy.

Prime Rate

The interest rate that commercial banks charge their most creditworthy customers, often used as a reference rate for various types of loans.

Inflation

The advancement rate at which the general price levels of goods and services elevate, diminishing spending power.

CPI

This index, known as the Consumer Price Index, evaluates the weighted average cost of a collection of goods and services bought by consumers, covering areas like food, medical care, and transportation.