Gravity, Weight, Centripetal Acceleration, Centripetal Force

Predict the magnitude of the gravitational force a 66.5 kg person would experience while standing on the surface of each of Earth
Mass: 5.97 × 10^24 kg Radius 6.38 × 10^6 m

• 246 N
• 651 N
• 38.5 N
• 0.692 N

Tags

NGSS.HS-PS2-4

Predict the magnitude of the gravitational force a 66.5 kg person would experience while standing on the surface of each of Pluto
Mass 1.25 × 10^22 kg
Radius 1.20 × 10^6 m

• 0.692 N
• 651 N
• 246 N
• 38.5 N

Tags

NGSS.HS-PS2-4

Each planet travels in an elliptical orbit around the sun,and the sun is at one of the focal points is Kepler's___ Law?

• 1st
• 2nd
• 3rd
• None of the above

An imaginary line drawn from the sun to any planet sweeps out equal areas in equal time intervals is Kepler's___ Law?

• 1st
• 2nd
• 3rd
• None of the above

Tags

NGSS.HS-ESS1-4

 The planet travels faster when it is closer to the sun and slower when it is farther away when it is closer to the sun and slower when it is farther away describes which of Kepler's Laws (see illustration)

• 1st
• 2nd
• 3rd
• None of the above

Tags

NGSS.HS-ESS1-4

Mars has a mass of about 6.4 × 10^23 kg, and its moon Phobos has a mass of about 9.6 × 10^15 kg. If the magnitude of the gravitational force between the two bodies is 4.6 × 10^15 N, how far apart are Mars and Phobos?

• 18.7x10^10 m
• 8.99x10^11 m
• 9.4x10^6 m
• 19.76x10^-10 m

Tags

NGSS.HS-PS2-4

Predict the magnitude of the gravitational force a 66.5 kg person would experience while standing on the surface of Mars:
Mass 6.42 × 10^23 kg
Radius 3.40 × 10^6 m

• 246 N
• 38.5 N
• 651 N
• 0.692 N

Tags

NGSS.HS-PS2-4

Predict the magnitude of the gravitational force of 22 N would change if the mass of 2nd object was tripled?

• 46 N
• 66 N
• 65 N
• 92 N

Tags

NGSS.HS-PS2-4

Predict the magnitude of the gravitational force of 35 N, the distance was cut 1/4?

• 692 N
• 135 N
• 246 N
• 560 N

Tags

NGSS.HS-PS2-4

Predict the magnitude of the gravitational force of 50 N would change if the distance was tripled?

• 5.5 N
• 400 N
• 36 N
• 1.56 N

Tags

NGSS.HS-PS2-4