Question

state newton's law of gravitation. what is the relationship between g and cr. find the time taken by body protected vertically up with a speed of u to return back to the ground.

Answer 1

Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

G is universal gravitational constant..

g is gravitational pull of the Earth.