Gravitation. Kepler & Circular Motion

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

A person on the Earth weighs 180 pounds. How much will they weigh on the moon? ( Note: The moons "g" is1/6 that of Earth)

• 30 lbs

• 360 lbs

• 0- you are weightless in space

• 18 lbs

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

Tags

NGSS.HS-PS2-4

Where is the planet moving faster

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

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

• circle
• ellipse
• focus
• perihelion

What is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?

• The area between A, B and the Sun is the largest.
• The area between H, I and the Sun is the largest
• Both areas are equal in size
• There is not enough information to determine the areas

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

Which is larger, the Sun's pull on the Earth or Earth's pull on the Sun? 

• THe Sun's pull on the Earth is larger.
• THe Earth's pull on the Sun is larger
• They pull on each other equally
• The Sun's pull on the Earth is twice as large as Earth's pull on the Sun.

Tags

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

Tags

NGSS.HS-PS2-4

Which planet would have the longest year?

• Mercury
• Mars
• Jupiter
• Neptune

Tags

NGSS.HS-ESS1-4