Gravity Review

Gravity is the force objects put on each other because of their ______.

• Mass
• Friendliness
• Acceleration
• Speed

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An example of a gravitational interaction is that the Earth. . . 

• orbits the Sun.
• orbits the moon.

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If an object has MORE _______, it will have more gravitational force.

• mass

• distance

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A person would weigh more on Jupiter than on the Earth because . . .

• Jupiter has more mass, and therefore more gravity
• Jupiter has less mass, and therefore more gravity
• Jupiter has more mass, and therefore less gravity
• Jupiter has less mass and therefore less gravity

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________ hold all of the planets in orbit around the sun.

• gravity
• string
• Bill Nye
• duct tape

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How could you increase the gravitational force of an object?

• decrease the mass of the object

• increase the mass of the object

• increase the weight of the object

• decrease the weight of the object

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Pick the FALSE statement.

• Everything has gravity.

• Weight is equal to the mass of an object multiplied by the gravitational force on that object.

• Gravitational force increases as the mass of an object increases.

• Only really large objects have gravity.

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What happens to the force between two objects when you double the distance between them?

• 2X

• 1/2X

• 4X

• 1/4X

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What happens to the force between two massive objects if you triple the magnitude of one mass?

• 1/3X

• 3X

• 1/9X

• 9X

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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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