Universal Gravity Reading

What is the force that causes an apple to fall from a tree according to Newton's observations?

• Gravity

• Magnetism

• Friction

• Electricity

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NGSS.MS-PS2-2

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According to Newton, the force of gravity is directly proportional to the mass of the earth and the mass of the object, and inversely proportional to the square of the distance between their centers. This is known as the Universal Law of ______.

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

What constant is known as the universal gravitational constant?

• G

• M

• R

• F

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NGSS.HS-PS2-4

The weight of an object is the gravitational force exerted on it. If an object is moved from Earth to the Moon, its weight will ______.

If the separation distance between two objects is doubled, the force of gravity between them is decreased by a factor of ______.

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NGSS.HS-PS2-4

What happens to the force of gravity if the distance between two objects is tripled?

• It decreases by a factor of nine

• It increases by a factor of nine

• It remains the same

• It doubles

In Newton's Universal Law of Gravitation, what is the relationship between mass and gravitational force?

• Directly proportional

• Inversely proportional

• No relationship

• Exponentially proportional

Tags

NGSS.MS-PS2-4