8.4 Gravitational Forces

Attraction between two objects with a strength that is proportional to the masses of the objects

• Gravity

• Gravitational forces

• Mass

• Attractive

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Mass

• A measure of how much matter is present in a substance

• A force of attraction between two masses

• Effects of things on other things

• The tendency for one object to pull other objects toward it

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The tendency for one object to pull other objects toward it

• Gravity

• Gravitational forces

• Interactions

• Attractive

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Which statement is true?

• All objects with mass exert a gravitational force.

• Gravity can both push and pull objects.

• Only Earth exerts a gravitational force.

• Only celestial objects exert a gravitational force.

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Effects of things on other things

• Gravity

• Attractive

• Interactions

• Mass

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The force of gravity depends on –

• The volume of the object

• The mass of the object

• What substance the object is made of

• The distance of the object from the center of the universe

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As distance increases, the gravitational pull between two objects will –

• Not be affected

• Decrease

• Decrease, and then increase and stabilize

• Increase

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Which force field(s) pull and push?

• Gravity

• Magnetic

• Both electric and magnetic

• Electric

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A force of attraction between two masses

• Mass

• Gravity

• Gravitational forces

• Attractive

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Which is true about two objects that have the same mass?

• The pull between them will destroy the force fields.

• The pull between them is weaker the closer they get to each other.

• One object will give its gravitational pull to the other.

• The pull between them is stronger the closer they get to each other.

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