8. Centripetal Forces & Gravitation

According to Newton's Law of Gravity, which of the following best explains why a construction worker who fell approximately $30 \mathrm{ft}$ accelerates toward the ground?

The Coriolis effect is the direct result of which of the following?

According to physics principles, why can a bird safely sit on a single high-voltage wire without being electrocuted?

According to Newton's Law of Gravity, how does the gravitational force between two objects change if their masses or the distance between them changes?

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

According to $Newton’s$ Law of Gravity, which region of Earth experiences the strongest gravitational pull from the Sun due to receiving direct sunlight?

According to Newton's Law of Gravity, which pair of factors determines the magnitude of the gravitational force between two objects ($F=\frac{G{m}_1{m}_2}{r^2}$)?

According to Newton's Law of Gravity, which states that the gravitational force $F=\frac{G}{r}{m}_1{m}_2/r^2$, what happens to the gravitational force between two masses if one of the masses is increased while the other and the distance between them remain constant?

According to Newton's Law of Gravity, why does the force of gravity not change the speed of a satellite moving in a perfectly circular orbit around Earth?

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

As a giant cloud of gas collapses due to gravity, you would expect its rate of rotation to:

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

According to Newton's Law of Gravity, how does gravity affect the motion of a vehicle on Earth's surface? $F=\frac{\mathrm{G\; m\_1\; m\_2}}{r^2}$

A main difference between gravitational and electric forces is that electrical forces

Two uniform spheres, each with mass $m$ and radius $r$, are just touching each other. What is the magnitude of the gravitational force between them?