Review: 12, 13, and 14

Newton had the insight to see that the ______

• moon always keeps one side toward Earth
• moon orbits Earth
• Force on the moon has the same nature as the force on the apple
• none of the above

Tags

NGSS.HS-PS2-4

Newton reasoned that the gravitational attraction between Earth and the moon must be _______

• directly proportional to distance
• reduced by distance squared
• the same at all distances
• independent of distance

Tags

NGSS.HS-PS2-4

If the mass of the Earth increased, with no change in radius, your weight would ________

• increase also
• decrease
• stay the same

Tags

NGSS.HS-PS2-4

If the radius of the Earth decreased, with no change in mass, your weight would _______

• increase
• decrease
• stay the same

Tags

NGSS.HS-PS2-4

A very massive object A and a less massive object B move toward each other under the influence of mutual gravitation. Which force, if either, is greater?

• The force on A
• The force on B
• Both forces are the same

Tags

NGSS.HS-PS2-4

Suppose the gravitational force between two massive spheres is 10 N. If the distance between the spheres is cut in half, what is the force between the masses?

• 40 N
• 20 N
• 10 N
• 5 N

Tags

NGSS.HS-PS2-4

The force of gravity acting on you will increase if you _________

• burrow deep inside a planet
• stand on a planet with a radius that is shrinking
• both
• none of the these

Tags

NGSS.HS-PS2-4

The reason the moon does not fall into Earth is that ________

• Earth's gravitational field at the moon is weak
• gravitational pull of other planets keeps the moon up
• the moon has a sufficiently large orbital speed
• the moon has less mass than the Earth

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Each of us weighs a tiny bit less on the ground floor of a skyscraper than we do on the top floor. One reason for this is that _______

• the gravitational field is shielded inside the building
• the mass of the building attracts you upward slightly
• both answers
• none of these

Tags

NGSS.HS-PS2-4

Which is more, the gravitational force between Earth and the moon, or between Earth and the sun?

• Earth-sun
• Earth-moon
• equal

Tags

NGSS.HS-PS2-4