L2: Gravity and Motion in Space

How does gravity affect the motion of planets in the solar system?

• It causes planets to move in straight lines.

• It keeps planets in orbit around the Sun.

• It has no effect on planetary motion.

• It pushes planets away from the Sun.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following best describes the relationship between mass and gravitational force?

• Gravitational force decreases as mass increases.

• Gravitational force is independent of mass.

• Gravitational force increases as mass increases.

• Gravitational force is the same for all masses.

Tags

NGSS.MS-PS2-4

What happens to the gravitational force between two objects if the distance between them is doubled?

• The gravitational force doubles.

• The gravitational force is halved.

• The gravitational force is quartered.

• The gravitational force remains the same.

Which of the following statements is true about the gravitational force between Earth and the Moon?

• It is stronger than the gravitational force between Earth and the Sun.

• It is weaker than the gravitational force between Earth and the Sun.

• It is equal to the gravitational force between Earth and the Sun.

• It does not exist.

If the mass of one of two objects is tripled, how does this affect the gravitational force between them?

• The gravitational force is tripled.

• The gravitational force is reduced to one-third.

• The gravitational force remains unchanged.

• The gravitational force is doubled.

Tags

NGSS.MS-PS2-4

What role does gravity play in the formation of the solar system?

• It repels objects away from each other.

• It attracts objects, causing them to collide and form larger bodies.

• It has no role in the formation of the solar system.

• It only affects objects on Earth.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

How does the gravitational force between two objects change if the distance between them is halved?

• The gravitational force is halved.

• The gravitational force is doubled.

• The gravitational force is quadrupled.

• The gravitational force remains the same.

Which of the following factors does NOT affect the gravitational force between two objects?

• The mass of the objects.

• The distance between the objects.

• The shape of the objects.

• The gravitational constant.

Tags

NGSS.MS-PS2-4

What is the effect of gravity on the motion of comets in the solar system?

• It causes comets to move in straight lines.

• It keeps comets in elliptical orbits around the Sun.

• It has no effect on comets.

• It pushes comets away from the Sun.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

If the distance between two objects is reduced to one-third, how does this affect the gravitational force between them?

• The gravitational force is reduced to one-third.

• The gravitational force is increased nine times.

• The gravitational force is tripled.

• The gravitational force remains unchanged.