Can you calculate mass of earth from Newton's law of gravitition ?

Can you calculate density of earth from Newton's law of gravitation?

How can you find the mass of earth, starting from the law of gravitation?

Derive F=ma from Newton's law.

If you had to calculate the mass of the earth , how would you do it ?

Based on scientific calculations using Newton's law of gravitational force , it is found that the gravitational pull of the Sun on the Moon is twice the gravitational pull of Earth on the Moon. Then why can't the moon escape the Earth?

Laws of conservation of linear and angular momentum can be derived from Newton's laws of motion in mechanics. Are they valid beyond mechanics?

Derive the law of conservation of linear momentum from Newton's third law of motion.

State Kepler's law of planetary motion. Obtain Newton's law of gravitation from Kepler's laws.