Gravitation

If a planet is at its closest point to the Sun, this position is known as the:

Kepler's Third Law states that the square of the period of revolution ($T$) of a planet is directly proportional to:

Which of the following physical quantities remains constant for a planet revolving around the Sun, as per Kepler's Second Law?

If two bodies of mass $1\text{ kg}$ each are separated by a distance of $1\text{ m}$, the magnitude of the gravitational force between them is numerically equal to:

The gravitational force between two bodies does NOT depend on which of the following factors?

What are the SI units for the Universal Gravitational Constant ($G$)?

If an object is moved from the Earth's surface to a deep mine, its weight will:

The value of $g$ used for standard gravity calculations is exactly:

What is the ratio of $g$ at height $h = R/2$ to $g$ at the surface?

As a body is moved away from the surface of the Earth, its Gravitational Potential Energy:

At what distance from the center of the Earth is the Gravitational Potential Energy of an object traditionally defined to be zero?

The SI unit of Gravitational Potential Energy is:

Escape velocity is a property that characterizes:

If the escape velocity from Earth is $11.2$ km/s, what is the escape velocity from a planet with the same radius but $1/4$ the mass of Earth?

The work done in shifting a body of mass $m$ from the surface of Earth to infinity is:

If the radius of the circular orbit of a satellite is increased, its orbital velocity will:

What is the relationship between the escape velocity ($v_e$) and the orbital velocity ($v_o$) for a satellite orbiting near the Earth's surface?

Which of the following represents the correct mathematical expression for the orbital velocity ($v_o$) of a satellite orbiting very close to the Earth's surface, where $g$ is the acceleration due to gravity and $R$ is the radius of the Earth?