Gravitation

Speaker(Fat man):Hm...the force with which I attract Raju(slim man) must be much greater than the force with which Raju attracts me.

• I agree with the speaker

• I do not agree with the speaker

Tags

NGSS.MS-PS2-1

The gravitational force between two massive spheres

• is always an attraction.

• depends on how massive they are.

• depends inversely on the square of the distances betwn them.

• all of the above

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

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

• increase also

• stay the same

• decrease

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Two objects move toward each other gravitationally. As they get closer, the force between them:

• remains constant

• increases

• decreases

Tags

NGSS.MS-PS2-4

If you stood on a ladder so you were twice as far from Earth's center, your weight would be:

• one-eighth its normal value

• one-quarter its normal value

• half its normal value

• none of the above

A 1000-kg car rests on the Earth. The magnitude of Fg of the Earth on the car is:

• 6.67 x10-11 N

• 9.8 N

• 9800 N

• 1000 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

In the last question, what is the magnitude of the gravitational force of the car on the Earth?

• less than the force of the Earth on the car

• equal to the force of the Earth on the car

• greater than the force of the Earth on the car

Tags

NGSS.MS-PS2-1

Suppose Fg between two massive spheres = 90 N. If distance between spheres is tripled, new Fg=

• 270 N

• 10 N

• 810 N

• 30 N

Tags

NGSS.MS-PS2-4

Suppose Fg between two massive spheres M and m is F. If masses were M and 3m, Fg would be:

• 1/3F

• 3F

• 1/9F

• 9F

Tags

NGSS.MS-PS2-4

The graphical relationship between Fg of Earth on a man and distance between Earth and man is:

• 
• 
• 
• 

Tags

NGSS.HS-PS2-4