The Gravitational Force Between Two Masses Is Modeled Using the Following

question 4

Multiple Choice

The gravitational force between two masses is modeled using the following function: $F _ { g } ( r ) = G \frac { m _ { 1 } m _ { 2 } } { r ^ { 2 } }$
where $F _ { g } =$ gravitational force (Newtons)
$\begin{array} { l } G = 6.673 \times 10 ^ { - 11 } \frac { \mathrm { N } \cdot \mathrm { m } ^ { 2 } } { \mathrm {~kg} ^ { 2 } } \\m _ { 1 } = \text { mass number } 1 \text { (kilograms) }\end{array}$ $m _ { 2 } = \text { mass number } 2 \text { (kilograms) }$
$r =$ distance between centers of masses (meters) Which type of mathematical model is used here to describe the gravitational force?

• A) Linear model
• B) Nonlinear model
• C) Exponential model
• D) Trigonometric model

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