Universal Law of Gravity and Satellites

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 

• mass and matter

• distance and weight 

• weight and mass

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If the objects are closer to each other, the force of attraction ____________.

• no effect

• decreases

• increases

• disappear

Tags

NGSS.MS-PS2-4

What is gravitational force?

• a force that attracts any object

• a force that pushes any object

• a force that shrinks any object

• a force that enlarges anyobject

Tags

NGSS.MS-PS2-4

A satellite moves around the earth in its orbit and does not escape from the space because the satellite

• becomes weightless

• move in a vacuum.

• always pulled by the earth gravitational force.

• move with highest speed.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What keeps an Earth satellite moving in its orbit?

• Gravitational attraction of Sun.

• Burning of fuel.

• Ejection of gases from the exhaust of the satellite.

• Gravitational attraction between satellite and Earth.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

A satellite moves around the Earth in its orbit and does not escape from the space because the satellite

• Become weightless

• Move in vacuum

• Always pulled by the Earth gravitational force

• Move with highest speed

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Diagram shows two satellites, M and N, in different orbits around the Earth. The orbit of N is located further from the Earth than the orbit of M. Which of the following comparison based on the Diagram is true?

• Gravitational acceleration on N > Gravitational acceleration on M

• Centripetal force on N > Centripetal force on M

• Orbital period of N > Orbital period of M

• Orbiting velocity of N > Orbiting velocity of M

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the formula for the gravitational force between two masses?

Tags

NGSS.HS-PS2-4

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

• Mass of the objects

• Distance between the objects

• Shape of the objects

• Gravitational constant

Tags

NGSS.MS-PS2-4

If the distance between two objects is doubled, what happens to the gravitational force between them?

• It doubles

• It halves

• It becomes one-fourth

• It remains the same

Tags

NGSS.HS-PS2-4