PHYSICS 3.0 GRAVITATION F4

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.HS-PS2-4

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

• increase also
• stay the same
• decrease

Tags

NGSS.HS-PS2-4

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

• remains constant
• increases
• decreases

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NGSS.HS-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

Tags

NGSS.HS-PS2-4

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.HS-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.HS-PS2-4

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.HS-PS2-1

NGSS.HS-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.HS-PS2-4

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

• 
• 
• 
• 

Tags

NGSS.HS-PS2-4

The graphical relationship between Fg of Earth on another planet and the mass of the planet is:

• 
• 
• 
• 

Tags

NGSS.HS-PS2-4