How is electric force similar to gravitational force?

This is a multi-select question. Check all that apply.

Question 2 options:

a)

Both electrical and gravitational forces are proportional to the square of the distance between the items.


b)

Electric force is proportional to the product of the charges and gravitational force is proportional to the product of the mass of the objects.


c)

Both electrical and gravitational forces are inversely proportional to the square of the distance between the items.


d)

Both electrical and gravitational forces are inversely proportional to the distance between the items.


e)

Both forces decrease as distance increases.


f)

Electric force is inversely proportional to the product of the charges and gravitational force is inversely proportional to the product of the mass of the objects.


g)

Both electrical and gravitational forces are proportional to the the distance between the items.


h)

Both forces are about the same strength.


i)

Electric force is proportional to the sum of the charges and gravitational force is proportional to the sum of the mass of the objects.


j)

Both forces will attract as well as repel.


k)

Electric force is inversely proportional to the product of the charges and gravitational force is inversely proportional to the product of the mass of the objects.