8. Centripetal Forces & Gravitation

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 $Earth$?

According to Newton's Law of Gravity, which action will decrease the gravitational force between two objects? $F=\frac{G{m}_1{m}_2}{r^2}$

According to Newton's Law of Gravity, how does increasing the mass of one object affect the gravitational force experienced by another object at a fixed distance?

Two particles, each with mass $m$, are separated by a distance $r$. According to Newton's Law of Gravity, what is the magnitude of the gravitational force between them?

According to Newton's Law of Gravity, at which of the following locations would an object's weight be the greatest? ($F=\frac{GmM}{r^2}$)

When an aircraft leaves ground effect during takeoff, which of the following will most likely occur?

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)?