Universal Law of Gravitation

What does the variable G in the gravitational force equation represent? $F_g\ =\ G\ \frac{m_1\ m_2}{r^2}$  

• Universal gravitational constant

• Combined masses of the two objects

• Gravitational force

• Dielectric constant

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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

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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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NGSS.HS-PS2-4

Force of gravity is directly proportional to

• Mass
• Weight
• Distance
• Time

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NGSS.HS-PS2-4

Force of gravity is inversely proportional to

• Mass
• Weight
• Distance
• Time

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NGSS.HS-PS2-4

If Earth's mass was cut in half, what would happen to your mass?

• increase because gravitational force increases
• decrease because gravitational force decreases
• decrease because gravitational force increases
• nothing, mass is not affected by gravitational force

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NGSS.MS-PS2-4

Gravity attracts all objects towards one another.

• False
• True
• It depends

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NGSS.HS-PS2-4

NGSS.HS-ESS1-4

Two spherical objects have masses of 8000 kg and 1500 kg. Their centers are separated by a distance of 1.5 m. Find the gravitational attraction between them

• 5.4 X 10^-4 N

• 1.2 X 10⁷ N

• 3.6 X 10^-4 N

• 5.33 N

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NGSS.HS-PS2-4

What is the gravitational force between two identical 50,000 kg asteroids whose centers of mass are separated by 1000 m?

• 2500 N

• 3.3 x 10^-12 N

• 1.67 x 10^-4 N

• 1.67 x 10^-7 N

Tags

NGSS.HS-PS2-4

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