Physics, Monday Bell Ringer, 1.8.18

What was Sir Isaac Newton known for?

• His hair
• His discovery of the laws of motion
• How good he was at math
• How athletic he was

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Complete the following statement: The farther away two planets are the _______ the gravitational force between them.

• more
• same
• dosen't matter
• less

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The sun is the anchor point of our solar system because of

• the gas Hydrogen

• its small density

• its huge mass

• its location

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What is gravitational force?

• a force that attracts any object
• a force that pushes any object
• a force that shrinks any object
• a force that enlarges anyobject

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What is the Universal law of gravitation equation? 

• G=F ⋅ m⋅m2/r²
• F=G ⋅ m⋅m₂/(r)²
• F=G ⋅ r²/m⋅m₂
• G=F ⋅ r²/m⋅m₂

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The number 6.67 x 10 -11 N* m^2 / kg^2 is called the _______________.

• universal speed constant
• the speed force
• universal gravitational constant
• Earth's gravitational constant

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A person on the Earth weighs 180 pounds. How much will they weigh on the moon? ( Note: The moons "g" is1/6 that of Earth)

• 30 lbs
• 360 lbs
• 0- you are weightless in space
• 18 lbs

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Luke Skywalker has a mass of 13 kg and weight of 127.4 N on earth. Find his weight on the Endor moon. Acceleration due to gravity of 2 m/s/s.

• 254.8 N
• 13 kg
• 26 N
• 127.4 kg

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What states that "every object in the universe attracts every other object"?

• Law of Universal Gravitation
• Newton's First Law of Motion
• My mother
• Inertia & gravity

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What is the value of g on Earth?

• 9.81 m/s^2
• 9.81 N
• 9.81 m
• 9.81 s/m^2

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