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

question 41

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:

Neuropeptide Y

A neurotransmitter found in the brain and autonomic nervous system, involved in regulating a variety of physiological processes such as appetite, stress response, and circadian rhythms.

Leptin

A hormone produced by adipose (fat) cells that helps to regulate energy balance by inhibiting hunger.

Insulin

A hormone produced by the pancreas that regulates blood glucose levels by facilitating the uptake of glucose into tissues.

Ghrelin

A hormone produced in the stomach that stimulates hunger and food intake.