Two Massive Objects Are Fixed in Position

question 18

Multiple Choice

Two massive objects are fixed in position. A third object is placed directly between the first two at the position at which the total gravitational force on the third object due to the two massive objects is zero. The object is displaced slightly toward one of the two massive objects, the total gravitational force on the third object is now

• A)zero.
• B)in a direction which depends on which of the massive objects has a greater mass.
• C)in the same direction the object is displaced.
• D)in the opposite direction to the displacement of the object.
• E)perpendicular to the displacement of the object.

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Definitions:

Population Mean

The average value of a particular characteristic within an entire population, representing a central or typical value.

Fixed Sample Size

The predetermined number of observations or data points included in a statistical sample.

Sampling Plan

A defined strategy that details how samples will be taken from a population to represent the whole accurately.

Population

In statistics, the entire pool from which a statistical sample is drawn and about which inferences are made.