8. Centripetal Forces & Gravitation

According to Newton's Law of Gravity, the strength of the gravitational force between two objects is affected by the mass of the objects and which of the following? (Newton's Law of Gravity: $F=\frac{G{m}_1{m}_2}{r^2}$)

Which of the following best illustrates how Newton's Law of Gravity demonstrates a cause-and-effect relationship?

According to Newton's Law of Gravity, in what direction does the gravitational force $F$ act between two orbiting objects?

What is the ratio of the sun's gravitational force on you to the earth's gravitational force on you?

A typical adult human has a mass of about 70 kg. (a) What force does a full moon exert on such a human when it is directly overhead with its center 378,000 km away? (b) Compare this force with the force exerted on the human by the earth

According to Newton's Law of Gravity, which factor most directly influences the gravitational force that causes a safety boat to tend to lie abeam to the wind? $F=\frac{\mathrm{G\; m\_1\; m\_2}}{r^2}$

According to Newton's Law of Gravity ($F=\frac{\mathrm{Gm\_1m\_2}}{r^2}$) and the Coriolis effect, in which direction is the path of motion of an ocean current deflected in the Northern Hemisphere?

Which of the following best describes the force between two masses according to Newton's Law of Gravity?

Which force is responsible for keeping the planets in orbit around the $\mathrm{Sun}$ and preventing them from flying out of the solar system?

A car of mass $m$ travels over the top of a hill with radius of curvature $r$. What is the maximum speed $v$ the car can have at the top of the hill without losing contact with the road (i.e., without flying off)?

According to Newton's Law of Gravity, into which of the following stable force fields can a proton be placed at rest without experiencing a force?

Why is it important to use a scale model when describing the solar system?

According to Newton's Law of Gravity, which of the following changes would increase 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 of two objects affect the gravitational force between them? $F=\frac{G}{r}{m}_1{m}_2$

According to Newton's Law of Gravity, how does the gravitational force between two objects change as the distance between them increases?