You are talking about make sure's and pearl substance I thought you was talking about mix in with something
Answer:
generators
Explanation:
the machine which turns in a power station
If the mass of both of the objects is doubled, then the force of gravity between them is quadrupled; and so on. Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces