Gravity in Our Solar System

Why do objects in the solar system orbit the Sun?

• The Sun has the greatest mass in the solar system.

• The Sun has the greatest gravitational attraction in solar system.

• The Sun is the center of the entire solar system.

• All of these are true.

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Gravity is what type of force?

• Inward Pulling Force

• Outward Pushing Force

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Which of the following statements is true about gravity?

• It only works on Earth.

• It only affects living things.

• It pulls objects toward each other.

• It pushes objects away from each other.

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Why is the gravitational force of the Earth stronger than that of the Moon?

• The Earth is closer to the sun.

• The Earth has a larger mass.

• The Earth is made of water.

• The Earth rotates faster.

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In which model would the gravitational force between the Earth and the Moon be the greatest?

• Model A

• Model B

• Both Model A and Model B (same gravity)

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What keeps the Moon in orbit around the Earth?

• Gravity

• Earth's Oceans

• Magnetic Attraction

• Electricity

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Which planet is the least affected by the Sun's gravity, because it is the furthest away from the Sun?

• Mars

• Jupiter

• Neptune

• Uranus

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What is gravity?

• A property of matter that states that it will remain unchanged unless acted upon by an outside force.

• An attractive force between two objects. It pulls objects towards each other.

• A magnetic force that pulls two objects towards each other.

• A force that pushes objects away from each other.

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In which model would the gravitational force between the Earth and the Moon be the greatest?

• Model A

• Model B

• Both Model A and Model B (same gravity)

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Two factors affecting the magnitude of gravity between 2 objects are...

• mass and distance 

• mass and matter

• distance and weight 

• weight and mass

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