Universal gravitation

Which of the following is Newton's Law on Gravitation?

• F=Gm₁m₂/r
• F = Gm₁m₂/r²
• F = Gm₁m₂/2r
• F = m₁m₂/2r

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NGSS.HS-PS2-4

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

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Force of gravity is directly proportional to

• Mass
• Weight
• Distance
• Time

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Force of gravity is inversely proportional to

• Mass
• Weight
• Distance
• Time

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If I double the distance between two objects, what happens to their gravitational Force?

• 4x bigger
• 4x smaller
• 2x bigger
• 2x smaller

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NGSS.HS-PS2-4

If I double the mass of one object, but don't change anything else... WHat happens to the gravitational force between two objects?

• Doubles
• Quadruples
• Cut in Half
• 4x Smaller

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NGSS.HS-PS2-4

What happens to Gravitational force if I double both of the masses but don't change their distance?

• doubles
• half as big
• 4x bigger
• 4x smaller

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The law of universal gravitation is credited to whom?

• Einstein
• Galileo
• Darwin
• Newton

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Which configuration will result in the greatest gravitational force?

• small masses far apart

• large masses far apart

• small masses close together

• large masses close together

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NGSS.HS-PS2-4

If the raduis of the Earth were to decrease, what would happen to our weight?

• It would increase

• It would decrease

• It would stay the same

• We would become weightless

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