Calculate the force between one object with a radius of 0.08 meters and a mass of 0.045 kilograms and the earth

The force between an object with a mass and the earth is actually the weight of the object, which can be calculated by w=mg. (where w is the weight (gravity force) of the object, m is the mass of the object, and g is acceleration due to gravity.)

So, w = 0.045 kg x 9.8 m/s2

= 0.441 N (Newton)