What Does R Stand for in the Following Equation $$F = \frac { G m _ { 1 } m _ { 2 } } { r ^ { 2 } }$$

question 29

Multiple Choice

What does r stand for in the following equation? $$F = \frac { G m _ { 1 } m _ { 2 } } { r ^ { 2 } }$$

• A)Radius of the earth
• B)Universal gravitational constant
• C)Resistance
• D)Center-to-center distance between objects

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