Josie Has Two Classes: English and Math

question 60

Multiple Choice

Josie has two classes: English and math.She finds out that the grades for both classes has improved without spending more time studying.Using the production possibilities curve,Josie's situation can be represented by

• A)moving from a point on the production possibilities curve to a point inside the curve.
• B)a movement along the curve from the axis for English to the axis for math.
• C)a movement along the curve from the axis for math to the axis for English.
• D)an inward shift of the curve.
• E)an outward shift of the curve.

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Definitions:

Spherical

Having the shape of a sphere; relating to or resembling a ball or globe.

Antifriction Bearings

Bearings designed to reduce friction between moving parts while supporting radial and axial loads, often using balls or rollers.

Bearing

A machine element that constrains relative motion to only the desired motion, reducing friction between moving parts.

Antifriction Bearings

A type of bearing designed to reduce friction between rotating parts by substituting sliding friction with rolling elements, such as balls or rollers.