Fx d2 The relation of the gravitational constant is given as G = If the distance mm between two masses is increased, will the value of Gincrease, decrease or remains constant.​

explanation:

the masses of the objects and the distance between them

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.