Gravity and Kepler's Law

What is the Universal law of gravitation equation?

• G=F ⋅ m₁⋅m2/r²

• F=G ⋅ m₁⋅m₂/(r)²

• F=G ⋅ r²/m₁⋅m₂

• G=F ⋅ r²/m₁⋅m₂

Force of gravity is directly proportional to

• Mass
• Weight
• Distance
• Time

Tags

NGSS.HS-PS2-4

Force of gravity is inversely proportional to

• Mass
• Weight
• Distance
• Time

Tags

NGSS.HS-PS2-4

Gravity is a(n) _____________force

• Repulsive

• Attractive

• It depends

• I don't care

Planets orbit the Sun in a shape called a(n)

• circle
• ellipse
• focus
• perihelion

Tags

NGSS.HS-ESS1-4

An ellipse is drawn around two points called

• aphelion
• perihelion
• foci
• axis

Where is the planet moving faster

• Position A to B
• Position B to C
• Position H to I
• Position I to J

Tags

NGSS.HS-ESS1-4

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

• greater
• same
• zero
• less

Tags

NGSS.HS-PS2-4

The farther away a planet is from the sun, the _______ it takes it to orbit the sun once. 

• longer
• shorter

Tags

NGSS.HS-ESS1-4

At which position is the planet's orbital speed the fastest?

• Position #1

• Position #2

• Position #3

• Position #4