Gravitation — Set 4

The ratio of escape velocity to the circular orbital velocity near a planet’s surface is?

If the mass of a planet is doubled while its radius remains the same, its escape velocity becomes?

A 60 kg person stands on the Moon where g ≈ 1.62 m/s^2. What is the person’s weight there (approximately)?

A 1 kg mass at Earth’s surface has gravitational force roughly equal to?

Gravitational potential at a point is defined as?

The value of the universal gravitational constant G in SI units is approximately?

A geostationary satellite appears fixed over Earth because its orbital period is?

For a uniform solid sphere of density ρ and radius R, the surface gravity g is?

If the acceleration due to gravity g decreases, the time period of a simple pendulum (same length) will?

The total mechanical energy E of a satellite of mass m in a circular orbit of radius r around mass M is?