Universal Gravitation

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

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

If I double the mass of one object without changing anything else, What would happen to the gravitational force between that object and any other object?

• Doubles

• Quadruples

• Cut in Half

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

Calculate the force of gravity (F) between two objects whose masses are m₁ = 100 kg and m₂ = 1000 kg if they are separared by a distance of d = 500 m.

• 2.67 * 10^-11 N

• 0.4 N

• 6.67 * 10^-11 N

• 1.3 * 10^-8 N

Tags

NGSS.HS-PS2-4

Tags

NGSS.HS-PS2-4

Find the distance between two objects whose masses are m₁ = 4,500 kg, and m₂ = 8,700 kg; if the gravitational force between them is F = 2.0 x 10^-8 N.

• 130565.25 m

• 361.34 m

• 0.19575 m

• 0.783 m

Tags

NGSS.HS-PS2-4

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-PS2-4

If I double the distance between two objects, what happens to their gravitational Force?

• 4x bigger

• 4x smaller

• 2x bigger

• 2x smaller

Complete the following statement: The farther away two planets are the _______ the gravitational force between them.

• more

• same

• dosen't matter

• less

The reason why ocean tides happen is

• Electrical forces between the sun and the moon

• gravitational forces between the Earth and the moon.

• Magnetic forces between the Earth and the moon

• Motion of the moon around the earth

Tags

NGSS.MS-PS2-4

Force of gravity is directly proportional to

• Mass

• Weight

• Distance

• Time

Tags

NGSS.MS-PS2-4