Gravity and planets with BB and Star review

What is the SI unit used to measure force? 

• pounds 
• grams 
• newtons 
• kg/ m²

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Who said that falling objects fall at the same rate?

• Galileo
• Kepler
• Brahe
• Copernicus

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Gravity attracts all objects towards one another.

• False
• True
• It depends
• I don't care

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Any object with mass is surrounded by a gravitational field.

• True
• Sometimes
• False
• Never

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The force of gravity is also known as

• Mass
• Weight
• Distance
• Acceleration

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As distance between two objects increase the pull of gravity 

• Increases
• Decreases
• Stays the same

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The force of gravity acting on an object is the object's ______.

• mass
• matter
• weight 
• terminal velocity 

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Which of the following will not change in different gravitational fields?

• weight
• force
• mass
• pounds

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An object is falling but is not accelerating. What do you know?

• Gravity is stronger than air resistance
• Air resistance is stronger than gravity
• Air resistance is equal to gravity
• Forces are unbalanced

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Where would you have to travel to reduce your weight but not lose any mass?

• The moon
• The Sun
• Jupiter
• Saturn

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