The gravitational force between two objects is zero [i] … [i] Adapted from E.E. Prather’s assessment.

when the distance between them becomes extremely large.

when another object lies in-between the two original objects.

at a location halfway between the two objects.

when the two objects are not moving.

This diagram shows two smaller planets of mass m and one larger planet of mass 4 m, aligned and separated by distance d between each planet. Which one of the following gravitational forces is strongest?

The force by Planet B on Planet C.

The force by Planet A on Planet B.

The force by Planet A on Planet C.

The force by Planet C on Planet A.

Assume that planets X and Y have the same mass, but planet X is made of a denser material, yet planet Y is bigger. Where would a rocket that is launched from planet X begin to experience a gravitational force from planet X that is equal to that from planet Y? The black dot shows the halfway point for reference.

At point B, because planets X and Y have the same mass.

At point A, because planet Y is bigger.

At point C, because planet X is more dense.

The rocket does not experience a gravitational force with X or Y, because it is in space.

Consider an irregular-shaped asteroid of constant density as shown. Which arrow best represents the direction of the gravitational force on the ball?

A, because it points to the center of mass of the asteroid.

B, because it points to the geometric center of the asteroid.

C, because it points straight down to directly below the ball.

D, because it points to the edge nearest the ball.

An astronaut standing on the Moon’s surface has a pen in his hand and releases it. What happens to the pen?

It falls to the surface of the Moon, but slower than on Earth.

It falls to the surface of the Moon, but faster than on Earth.

It doesn’t fall, but floats where it is.

It doesn’t fall, but slowly drifts away.

Satellite B is three times more massive than Satellite A. Which satellite experiences a stronger gravitational ATTRACTION with the Earth?

Neither, since they are in space.

Neither, since they are at the same distance.

Which of the following would make you weigh half as much as you do right now [i] ? [i] Adapted from the TOAST.

Take away half the Earth's mass.

Take away half the Earth's atmosphere.

Climb the Earth's tallest mountain.

Make the Earth spin half as fast.

The reason why your weight at the surface of Saturn is similar to that on Earth is that:

Saturn is much more massive, but on its surface you are further from its center.

Saturn has the same mass as Earth, and your weight depends only on the planet’s mass.

Saturn’s large size would cause you to weigh more, but the rings counter the effect.

You would weigh the same on all planets in our solar system, regardless of their size.

Which is NOT primarily determined by gravity?

The number of sunspots on the Sun.

The shapes of the asteroids and planets

The fact that less massive objects orbit around the more massive objects.

The speed at which we launch satellites from Earth.

A person on Pluto’s surface would experience a(n) _____ gravitational force compared to on Earth.

Weaker, because Pluto has less mass.

Weaker, because Pluto is further from the Sun.

Equal, because both planets orbit the Sun.

Stronger, because Pluto’s surface is closer to its core.

A person is living on a planet where a huge hole has been carved out. Which arrow best represents the direction of the gravitational force he experiences?

B, because it points directly to the center of mass.

A, because it points along the surface with the most mass.

C, because it points straight down to the center.

D, because it points to the hole and he would fall in.

Does an Earth-orbiting satellite or the Moon experience a greater force of gravity from the Earth?

They experience the same force since they are both in orbit.

The satellite because it is much closer to Earth.

The moon because it is much more massive.

Neither experience a force since they are in space.

Two astronauts are floating in space far away from any planets or stars. What is the direction of the gravitational force that they experience, if any?

Toward each other, because there is a gravitational force between them.

Away from each other because they are pulled by distant planets and stars.

They experience a gravitational force, but its direction cannot be determined.

They do not experience a gravitational force because there is no large object nearby.

Astronauts appear weightless in their Earth-orbiting spacecraft because…

They are moving at the same rate as their spacecraft.

They have escaped Earth’s gravity.

There is no air in the spacecraft.

The spacecraft’s rocket engines counteract gravity.

Each planet pictured has the same mass M and an identical rocket orbiting at a distance D. The darker the planet, the denser the material. Which rocket experiences a stronger force of gravity?

Both the same, each planet has the same mass and the rocket is at the same distance from the center of the planet.

A, higher density means stronger gravity when distance to center of the planet is the same.

B, smaller distance to the surface of the planet means stronger gravity when mass of the planet is the same.

Both the same, the stronger gravity from denser planets is compensated by the rocket’s smaller distance to the surface of the planet.

In the diagram, at which point would a spacecraft traveling from the Earth to the Moon experience a gravitational force from the Earth that is equal to that from the Moon? Note that B is at the halfway point [i] . [i] Adapted from Hudgins, D.W. & Prather, E.E. 2007, Astronomy Education Review, 5(1).

C, the spacecraft is further from Earth and Earth is more massive.

A, the spacecraft is closer to Earth and Earth is more massive.

B, the spacecraft is exactly halfway between Earth and the Moon.

All points are the same, since the spacecraft is in space.

How would the gravitational force between the Earth and Moon differ if the Moon were twice as far as it is now?

Would decrease by exactly four times (one fourth)

Would increase by exactly two times

Would increase by exactly four times

Would decrease by exactly two times (one half)

Satellite B is three times more massive than Satellite A. Which satellite experiences a stronger gravitational FORCE with the Earth?

Neither, since they are at the same distance.

Neither, since they are in space.

AP Physics Review Gravity

Quiz

•

Physics

•

10th - 12th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS2-4, MS-PS2-5, HS-PS2-4

Standards-aligned

Charles Martinez

FREE Resource

30 questions

Show all answers

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The factor(s) that most affect the gravitational force between two objects are^[i]:

[i] Adapted from E.E. Prather’s assessment.

size and distance

mass and size

density and distance

mass and distance

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Planets A, B and C are identical. A and C have a giant moon orbiting them, while B has a lightweight artificial satellite orbiting it, as shown in the diagram. Which planet has the strongest gravitational interaction with its satellite?

Planet A, because its moon is heavy and close to it.

Planet B, because only a lightweight object can orbit without falling down.

Planet C, because it can interact with a heavy object that is far away.

All have the same gravitational attraction, because the planets are all the same mass.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Why doesn’t the gravitational pull between the Sun and the planets cause the planets to fall into the Sun?

The background stars pull back on the planets.

The Sun’s magnetic fields are pushing out.

The speed of the planets flings them out.

The Sun’s rotation pushes the planets out.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Satellites B is three times more massive than A, but orbiting the planet at three times the distance. Compare the force of gravity between each satellite and the planet. The diagram is not to scale.

A experiences a stronger force than B, because differences in distance are more influential than differences in mass.

B experiences a stronger force than A, because differences in mass are more influential than differences in distance.

A and B experience the same force, because differences in distance are exactly compensated by differences in mass.

A and B experience no force, because they are in space.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Assuming the Earth is perfectly round and each person is the same mass, which person standing on Earth’s surface experiences a stronger force of gravity?

Both A and D, they are near a stronger magnetic field.

B, he is affected by both the magnetic field and the rotation.

D, he is at the bottom of Earth and could fall off.

All the same, they are the same distance from Earth’s center.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Why does the Earth exert a gravitational force on objects on its surface?

It has an atmosphere.

It is very dense.

It has a magnetic field.

It has mass.

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Suppose the Sun shrank in size but its mass remained the same so that it was compacted much more densely. What would happen to the size of the Earth’s orbit around the Sun^[i]?

[i] Adapted from a question by Philip Blanco.

Earth's orbit would get smaller.

Earth's orbit would get larger.

Earth would fly out of the solar system.

Earth's orbit would be unaffected.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

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AP Physics Review Gravity

30 questions

The factor(s) that most affect the gravitational force between two objects are^[i]:

[i] Adapted from E.E. Prather’s assessment.

Planets A, B and C are identical. A and C have a giant moon orbiting them, while B has a lightweight artificial satellite orbiting it, as shown in the diagram. Which planet has the strongest gravitational interaction with its satellite?

Why doesn’t the gravitational pull between the Sun and the planets cause the planets to fall into the Sun?

Satellites B is three times more massive than A, but orbiting the planet at three times the distance. Compare the force of gravity between each satellite and the planet. The diagram is not to scale.

Assuming the Earth is perfectly round and each person is the same mass, which person standing on Earth’s surface experiences a stronger force of gravity?

Why does the Earth exert a gravitational force on objects on its surface?

Suppose the Sun shrank in size but its mass remained the same so that it was compacted much more densely. What would happen to the size of the Earth’s orbit around the Sun^[i]?

[i] Adapted from a question by Philip Blanco.

The gravitational force between two objects is zero^[i] …

[i] Adapted from E.E. Prather’s assessment.

This diagram shows two smaller planets of mass m and one larger planet of mass 4 m, aligned and separated by distance d between each planet. Planet A experiences a gravitational force by Planet C that is ______ that by Planet B.

This diagram shows two smaller planets of mass m and one larger planet of mass 4 m, aligned and separated by distance d between each planet. Which one of the following gravitational forces is strongest?

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AP Physics Review Gravity

30 questions

The factor(s) that most affect the gravitational force between two objects are[i]: [i] Adapted from E.E. Prather’s assessment.

Planets A, B and C are identical. A and C have a giant moon orbiting them, while B has a lightweight artificial satellite orbiting it, as shown in the diagram. Which planet has the strongest gravitational interaction with its satellite?

Why doesn’t the gravitational pull between the Sun and the planets cause the planets to fall into the Sun?

Satellites B is three times more massive than A, but orbiting the planet at three times the distance. Compare the force of gravity between each satellite and the planet. The diagram is not to scale.

Assuming the Earth is perfectly round and each person is the same mass, which person standing on Earth’s surface experiences a stronger force of gravity?

Why does the Earth exert a gravitational force on objects on its surface?

Suppose the Sun shrank in size but its mass remained the same so that it was compacted much more densely. What would happen to the size of the Earth’s orbit around the Sun[i]? [i] Adapted from a question by Philip Blanco.

The gravitational force between two objects is zero[i] … [i] Adapted from E.E. Prather’s assessment.

This diagram shows two smaller planets of mass m and one larger planet of mass 4 m, aligned and separated by distance d between each planet. Planet A experiences a gravitational force by Planet C that is ­­­­­­­­­­­______ that by Planet B.

This diagram shows two smaller planets of mass m and one larger planet of mass 4 m, aligned and separated by distance d between each planet. Which one of the following gravitational forces is strongest?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Physics

The factor(s) that most affect the gravitational force between two objects are^[i]:

[i] Adapted from E.E. Prather’s assessment.

Suppose the Sun shrank in size but its mass remained the same so that it was compacted much more densely. What would happen to the size of the Earth’s orbit around the Sun^[i]?

[i] Adapted from a question by Philip Blanco.

The gravitational force between two objects is zero^[i] …

[i] Adapted from E.E. Prather’s assessment.

This diagram shows two smaller planets of mass m and one larger planet of mass 4 m, aligned and separated by distance d between each planet. Planet A experiences a gravitational force by Planet C that is ______ that by Planet B.