Newton's Law of Gravitation

If the gravitational force between to objects is 20 N, what is the new force if mass 1 is 2x greater and mass 2 is 8x greater and the distance is 4 x greater?

• 10 N

• 20 N

• 40 N

• 80 N

Tags

NGSS.MS-PS2-4

Which of the following statements about Newton’s law of gravitation is correct?

• the origin of gravitational forces.

• why a falling satellite burns up when it enters the Earth’s atmosphere

• why projectiles maintain a uniform horizontal speed.

• how various factors affect the gravitational force between two particles.

Tags

NGSS.MS-PS2-4

Two planets X and Y are in concentric circular orbits about a star S. The radius of the orbit of X is R and the radius of orbit of Y is 2R .

The gravitational force between X and Y is F when angle SXY is 90°, as shown in the diagram.

What is the gravitational force between X and Y when they are nearest to each other?

• 2F

• 3F

• 4F

• 5F

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Masses of M and 2M exert a gravitational force F on each other when the distance between their centres is r. What is the gravitational force between masses of 2M and 4M when the distance between their centres is 4r?

• 0.25F

• 0.50F

• 0.75F

• 1.00F

Tags

NGSS.MS-PS2-4

Tags

NGSS.MS-PS2-4

Tags

NGSS.HS-PS2-4

What is the nature of gravity according to Newton's Law of Universal Gravitation?

• Repulsive force

• Attractive force

• Electromagnetic force

• Nuclear force

Tags

NGSS.MS-PS2-4

What does the law of gravitational force depend on between two objects?

• Color and shape

• Speed and direction

• Mass and distance

• Temperature and pressure

Tags

NGSS.MS-PS2-4

What keeps planets in orbit according to Newton?

• Tension force

• Gravitational force

• Frictional force

• Magnetic force

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the force that causes objects to fall or orbit in curved paths?

• Gravitational force

• Electromagnetic force

• Frictional force

• Tension force

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4