Universal Gravitation

Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance?  F_g = Gm₁m₂ / r²

• F = 3x less

• F = 2x less

• F= 6x less

• F = 9x less

Tags

NGSS.HS-PS2-4

What is gravitational force?

• a force that attracts any object
• a force that pushes any object
• a force that shrinks any object
• a force that enlarges anyobject

Tags

NGSS.HS-PS2-4

If one of two objects increases its mass, it _________ the gravitational pull between the two objects

• increases

• decreases

• has no effect on

• eliminates

Tags

NGSS.HS-PS2-4

If I double the distance between two objects, what happens to their gravitational Force?

• 4x bigger

• 4x smaller

• 2x bigger

• 2x smaller

Answer explanation

2d²=4d

Tags

NGSS.HS-PS2-4

Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance?

• F/3d

• F/2d

• F/6d

• F/9d

Answer explanation

3d²=9d

Tags

NGSS.HS-PS2-4

Complete the following statement: The farther away two planets are the _______ the gravitational force between them.

• more
• same
• dosen't matter
• less

Tags

NGSS.HS-PS2-4

A man who weighs 1000N on the surface of the earth will weigh how much at twice the distance in the atmosphere.

• 500 N

• 250 N

• 2000 N

• 4000N

Tags

NGSS.HS-PS2-4

Complete the following statement: The farther away two planets are the _______ the gravitational force between them.

• more
• same
• dosen't matter
• less

Tags

NGSS.HS-PS2-4

If the mass of either m₁ or m₂ is increased then the force of gravitation between them will...

• increase

• decrease

• stay the same

Tags

NGSS.HS-PS2-4

Newton's Law of Universal Gravitation affects

• All objects with mass in the known universe

• All objects and empty space in the known universe

• Thoughts and Ideas

• Only things that are the color red

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4