Four Particles, Each with Mass M, Are Arranged Symmetrically About $\uparrow$

question 20

Multiple Choice

Four particles, each with mass m, are arranged symmetrically about the origin on the x axis. A fifth particle, with mass M, is on the y axis. The direction of the gravitational force on M is:

• A)\(\uparrow\)
• B) \(\downarrow\)
• C) \(\leftarrow\)
• D) \(\rightarrow\)
• E) none of these directions

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Definitions:

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