You Need an Expression for the Acceleration of the Moon

question 80

Multiple Choice

You need an expression for the acceleration of the Moon toward Earth. If the mass of Earth is M_e, the mass of the Moon M_m, the separation of Earth and Moon r, and the appropriate gravitational constant is G, the correct expression for the Moon's acceleration is

• A) GM_eM_m/r².
• B) GM_eM_m²/r².
• C) GM_m/r².
• D) GM_e/r².
• E) GM_e/r²M_m.

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Definitions:

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A unit of fluid volume measurement used in the US and the British imperial system, equal to 3.785 liters in the US.

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