Which change will cause the gravitational force between a baseball and a soccer ball to increase? check all that apply.

moving the balls closer together
moving the balls farther apart
pumping more air into the soccer ball
letting air out of the soccer ball
removing the outer layer of the baseball
putting the baseball in a plastic case

Answer

moving the balls closer together

pumping more air into the soccer ball

putting the baseball in a plastic case

Explanation

Gravitational force is the force of attraction between two bodies of given masses. It is calculated by the formula;

Gravitational force = Gm₁m₂/r²

This formula shows that the force is directly proportional to G and the masses of the 2 bodies and inversely proportional to square of the distance between them.

∴ The following statements will cause a change in gravitational force;

moving the balls closer together ⇒ Increases the gravitational force

pumping more air into the soccer ball ⇒ Increases the mass of the ball hence increasing the gravitational force.

putting the baseball in a plastic case ⇒ It increases the mass of the ball hence increasing the gravitational force.

the answer is c.)

explanation:

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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