Question

write Kepler's third law hence
show that gravitation
force fa 1/r^​

Answer 1

Explanation:

Refer the attachment given above...

Kepler's Third Law: the squares of the orbital periods of the planets are directly proportional to the cubes of the semi major axes of their orbits. Kepler's Third Law implies that the period for a planet to orbit the Sun increases rapidly with the radius of its orbit.