Read About It - Gravity and Motion in the Solar System

What did Isaac Newton conclude was the cause of objects falling?

• Friction

• Gravity

• Magnetism

• Wind

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What happens to the force of gravity when astronauts leave Earth's surface?

• It increases

• It disappears

• It is greatly reduced

• It remains the same

What is the name of the center where astronauts train underwater?

• Kennedy Space Center

• Johnson Space Center

• Marshall Space Center

• Goddard Space Center

What is the universal force that attracts objects even when not in contact?

• Magnetism

• Gravity

• Electricity

• Friction

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What is the main topic of the document?

• The history of space travel

• Gravity and motion in the solar system

• The life of astronauts

• The structure of the Earth

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What are the two main factors that affect gravity between two objects?

• Mass and volume

• Mass and distance

• Distance and speed

• Speed and volume

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How is the force of gravity related to the mass of objects?

• Inversely proportional

• Directly proportional

• Not related

• Exponentially proportional

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What is weight?

• The amount of matter in an object

• The force of gravity on an object

• The volume of an object

• The density of an object

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Why does an object weigh differently on the moon compared to Earth?

• The moon has more mass

• The moon has less mass

• The moon is closer to the sun

• The moon is farther from the sun

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What is the weight of an astronaut on the moon if their mass is 120 kg?

• 1200 N

• 200 N

• 600 N

• 1000 N

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