Universal Gravitation

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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NGSS.MS-PS2-4

Force of gravity is directly proportional to

• Mass
• Weight
• Distance
• Time

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NGSS.MS-PS2-4

Force of gravity is inversely proportional to

• Mass
• Weight
• Distance
• Time

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NGSS.MS-PS2-4

Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance?  F_g = Gm₁m₂ / r²

• F = 3x less

• F = 2x less

• F= 6x less

• F = 9x less

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NGSS.HS-PS2-4

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

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

Tags

NGSS.HS-PS2-4

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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NGSS.HS-PS2-4

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

• the gas Hydrogen

• its small density

• its huge mass

• its location

Tags

NGSS.MS-ESS1-1

A moon is located at  1 unit out from the planet it orbits. If that moon was orbiting at 2 units out from the planet, how much would the gravitational force on the moon be compared to its distance at 1 unit?

• 1/4 as much

• 1/6 as much

• 2x as much
• 4 times as much

Tags

NGSS.MS-ESS1-2

Ocean tides occur mainly because 

• water normally runs to the side of Earth away from the sun
• of the gravitational pull of the sun on Earth
• of different gravitational pulls of the moon on opposite sides of Earth
• as Earth rotates it leaves the ocean water somewhat behind it

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-1

How are mass and weight different?

• Mass is the amount of matter in an object;Weight is the amount of gravitational force acting on the object
• Mass is the amount of gravitational force acting on an object;Weight is the amount of matter in an object
• Mass is a thing;Weight is a place
• Mass is an animal;weight is a human

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NGSS.MS-PS2-4