8. Centripetal Forces & Gravitation

According to Newton's Law of Gravity, which two factors determine the strength of the gravitational force between two objects? $F=\frac{\mathrm{G\; m\_1\; m\_2}}{r^2}$

According to Newton's Law of Gravity, increasing which of the following conditions will result in a greater gravitational force between two objects? $F=\frac{G{m}_1{m}_2}{r^2}$

According to Newton's Law of Gravity, which of the following is a plausible explanation for the formation of hot Jupiters? $F=\frac{GmM}{r^2}$

According to Newton's Law of Gravity, what happens to the gravitational force between a planet and another object if you increase the mass of the planet while keeping all other factors constant? $F=\frac{\mathrm{G\; m\_1\; m\_2}}{r^2}$

Two identical masses $m$ are placed a distance $d$ apart. What is the magnitude of the gravitational force on a proton placed exactly at the midpoint between them?

If Earth's gravitational pull suddenly became $3$ times stronger, what would happen to your weight?

According to Newton's Law of Gravity, which of the following correctly expresses the gravitational force $F$ between two masses $m_1$ and $m_2$ separated by a distance $r$?

According to Newton's Law of Gravity, the strength of the gravitational force between two objects depends on which of the following? $F=G\frac{m_1{m}_2}{r^2}$

According to Newton's Law of Gravity, how do the masses of two objects and the distance between them affect the gravitational force they experience?

According to Newton's Law of Gravity, what is the only force that acts on an object in free fall near the surface of the Earth (neglecting air resistance)?

According to Newton's Law of Gravity, what is the relationship between the masses of two objects and the gravitational force $F$ between them?

According to Newton's Law of Gravity, which of the following factors determine the magnitude of the gravitational force between two objects ($F=\frac{G}{m^1}$)?

Which of the following laws is best described by the expression $p=kt$?

According to Newton's Law of Gravity, what is the magnitude of the gravitational force acting between the Earth (mass $M_E$ = $5.97\times 10{24}^{\mathrm{kg}}$) and a 100-kg person standing on the Earth's surface (radius $R_E$ = $6.37\times 106^m$)? Use $G$ = $6.67\times 10{-}^{11}$ $N\cdot m^2\cdot {\mathrm{kg}}^{-}$.

Which of the following is the primary cause of the changing seasons on $Earth$?