Universal Gravitation

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/3
• F/2
• F/6
• F/9

Tags

NGSS.HS-PS2-4

Force of gravity is inversely proportional to

• Mass
• Weight
• Distance
• Time

Tags

NGSS.HS-PS2-4

Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.

• 2.96x10^-7N

• 3.00x10^-6N

• 2.22x10^-9N

• 2.23x10^-8N

Tags

NGSS.HS-PS2-4

Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?

• 9
• 18
• 72
• 144

Tags

NGSS.HS-PS2-4

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

Tags

NGSS.HS-PS2-4

Gravity attracts all objects towards one another.

• False
• True
• It depends

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

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

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

Tags

NGSS.HS-PS2-4

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

• more
• same
• dosen't matter
• less

Tags

NGSS.HS-PS2-4

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

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

Tags

NGSS.HS-PS2-4