Law of 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/3
• F/2
• F/6
• F/9

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NGSS.HS-PS2-4

What states that "every object in the universe attracts every other object"?

• Law of Universal Gravitation
• Newton's First Law of Motion
• My mother
• Inertia & gravity

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NGSS.HS-PS2-4

Force of gravity is directly proportional to

• Mass
• Weight
• Distance
• Time

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NGSS.HS-PS2-4

Force of gravity is inversely proportional to

• Mass
• Weight
• Distance
• Time

Tags

NGSS.HS-PS2-4

If Earth's mass was cut in half, what would happen to your mass?

• increase because gravitational force increases
• decrease because gravitational force decreases
• decrease because gravitational force increases
• nothing, mass is not affected by gravitational force

Tags

NGSS.MS-PS2-4

As distance separating the objects increases the force

• increases
• decreases
• stays the same

Tags

NGSS.HS-PS2-4

Double the mass of an object, what happens to the force of attraction?

• 4 times stronger gravity force
• 4 times weaker gravity force
• 2 times weaker gravity force
• 2 times stronger gravity force

Tags

NGSS.HS-PS2-4

You are moving a ball in a circle using 72 N of centripetal force. What would the force be if you tripled the radius of the circle?

• 12 N
• 24 N
• 36 N
• 144 N

Which of the following is Newton's Law on Gravitation?

• F=Gm₁m₂/r
• F = Gm₁m₂/r²
• F = Gm₁m₂/2r
• F = m₁m₂/2r

Tags

NGSS.HS-PS2-4

What happens to the force of gravity if the mass of one of the objects is doubled?

• The force of gravity doubles
• The force of gravity is tripled
• The force of gravity is halved
• The force of gravity increases 4 times

Tags

NGSS.MS-PS2-4