Law of Gravitational Force

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 

• mass and matter

• distance and weight 

• weight and mass

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NGSS.MS-PS2-4

As distance separating the objects increases the force

• increases

• decreases

• stays the same

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NGSS.MS-PS2-2

NGSS.MS-PS2-5

What does the strength of gravity between two objects depend upon?

• Mass & distance

• Mass & weight

• Gravity & inertia

• Inertia & mass

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NGSS.MS-PS2-4

As mass decreases, gravitational force does what?

• Increases

• Decreases 

• Remains the same

• Changes

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NGSS.MS-PS2-4

What does the Law of Universal Gravitation state?

• Objects in space repel each other.

• Every object in the universe attracts every other object, affected by mass and distance.

• Gravity only affects objects on Earth.

• Only planets can attract each other.

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NGSS.MS-PS2-4

If the distance between two masses is doubled, how does the gravitational force between them change?

• It becomes four times stronger.

• It becomes four times weaker.

• It becomes twice as strong.

• It remains the same.

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NGSS.MS-PS2-4

Which of the following is NOT a factor in the calculation of gravitational force between two objects?

• The masses of the objects.

• The distance between the objects.

• The Universal Gravitational Constant.

• The velocity of the objects.

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NGSS.MS-PS2-4

The law of universal gravitation is credited to whom? 

• Einstein 

• Galileo

• Darwin

• Newton 

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NGSS.HS-PS2-4

What is the law of universal gravitation?

• The more mass an object has, the more gravitational attraction it has. The greater the distance between two objects, the less their gravitational attraction.

• Gravity pulled together a cloud of interstellar gas and dust (called a nebula). As the nebula spun, gravity condensed the gases into the center to form the Sun. Eventually, the gravity of smaller pieces of matter drew objects to them to form the planets.

• Gravity pulled together a cloud of interstellar gas and dust (called a nebula). As the nebula spun, gravity condensed the gases into the center to form the Sun. Eventually, the gravity of smaller pieces of matter drew objects to them to form the planets.

• It states that any two masses attract each other more when they are more massive (greater mass) and closer together (less distance).

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

Force of gravity is inversely proportional to

• Mass

• Weight

• Distance

• Time