Planetary Motion and Gravitation

According to Kepler's first law, the paths of the planets are circular in shape.

• True

• False

Which of those have highly elliptical orbits?

• Planets

• Satellites

• Comets

Which law states that the areas at equal time intervals of a planet are equal?

• Kepler's first law

• Kepler's second law

• Kepler's third law

• Newton's law of universal gravitation

Planets are faster when closer to the Sun because

• Distance is greater, time is greater

• Distance is greater, time is smaller

• Distance is smaller, time is smaller

• Distance is greater, time is the same

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Kepler's third law is represented by the following equation:

• 
• 
• 
• 

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Kepler's third law can be applied to any two bodies as long as they are orbiting around a single common body.

• True

• False

Tags

NGSS.HS-ESS1-4

Which equation represents Newton's law of universal gravitation?

Tags

NGSS.HS-PS2-4

Tags

NGSS.HS-PS2-4

Find Mercury's period around the Sun in Earth years. Use Table 1 on page 180.

• 0.240 years

• 0.386 years

• 0.621 years

Tags

NGSS.HS-ESS1-4

Tags

NGSS.HS-PS2-4