8. Centripetal Forces & Gravitation

Which of the following best explains why the Earth experiences seasons?

According to Newton's Law of Gravity ($F=\frac{\mathrm{Gm\_1m\_2}}{r^2}$), how does a vehicle going uphill work against gravitational force?

According to Newton's Law of Gravity, which of the following best describes the gravitational force between Earth and the Sun ($F=\frac{\mathrm{G\; m\_1\; m\_2}}{r^2}$)?

Which of these factors does not cause seasonal change according to Newton's Law of Gravity ($F=\frac{\mathrm{Gm\_1m\_2}}{r^2}$)?

According to Newton's Law of Gravity, which of the following can cause a moving object to change its direction?

Which of the following best describes Newton's Law of Gravity?

According to Newton's Law of Gravity, which statement best describes the motion of two massive plates placed near each other in space?

According to Newton's Law of Gravity, what force is responsible for causing objects in space, such as planets and satellites, to travel in elliptical orbits around larger bodies?

According to Newton's Law of Gravity ($F_g=\frac{\mathrm{G\; m\_1\; m\_2}}{r^2}$) and the Coriolis effect ($F=-2m𝛷\times v$), in which direction are moving objects deflected in the Northern Hemisphere?

Why don't solar eclipses occur every time the Moon is positioned between the Sun and the Earth?

According to Newton's Law of Gravity, which two factors directly affect the magnitude of the gravitational force between two objects?