Big G (SMART)

The diagram shows two bowling balls, A and B, each having a mass of 7.00 kilograms, placed 2.00 meters apart.

What is the magnitude of the gravitational force exerted by ball A on ball B?

• 8.17 × 10–9 N

• 1.63 × 10^–9 N

• 8.17 × 10^–10 N

• 1.17 × 10^–10 N

Tags

NGSS.HS-PS2-4

The magnitude of the gravitational force between two objects is 20. Newtons. If the mass of each object were doubled, the magnitude of the gravitational force between the objects would be

• 5.0 N

• 10. N

• 20. N

• 80 N

Tags

NGSS.HS-PS2-4

Two equal point masses are separated by a distance of 1 meter. If one mass is doubled, the gravitational force between the two masses would be

• one-half as great

• two times greater

• one-fourth as great

• four times greater

Tags

NGSS.HS-PS2-4

What is the magnitude of the gravitational force of attraction between two 0.425-kilogram soccer

balls when the distance between their centers is 0.500 meter?

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Tags

NGSS.HS-PS2-4

As a meteor moves from a distance of 16 Earth radii to a distance of 2 Earth radii from the center of Earth, the magnitude of the gravitational force between the meteor and Earth becomes

• 1/8 as great

• 8 times as great

• 64 times as great

• 4 times as great

Tags

NGSS.HS-PS2-4

When a satellite is a distance R from the center of Earth, the force due to gravity on the satellite is F. What is the force due to gravity on the satellite when its distance from the center of Earth is 3R ?

• F/9

• F/3

• F

• 9F

Tags

NGSS.HS-PS2-4

Which graph best represents the gravitational force between two point masses as a function of the distance between the masses?

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Tags

NGSS.HS-PS2-4

As the distance between two objects increases, the gravitational force of attraction between them will

• decrease

• increase

• remain the same

Tags

NGSS.HS-PS2-4

What is the magnitude of the gravitational force between an electron and a proton separated by a distance of 1.0 × 10^–10 meter?

mass of a proton = 1.67 x 10^-27 KG

mass of an electron = 9.11 x^-31 kg

• 1.0 × 10^–47 N

• 1.5 × 10^–46 N

• 1.0 × 10–37 N

• 1.5 × 10–36 N

Tags

NGSS.HS-PS2-4

If the distance between a spaceship and the center of the Earth is increased from one Earth radius to 4 Earth radii, the gravitational force acting on the spaceship becomes approximately

• 1/16 as great

• 1/4 as great

• 16 times greater

• 4 times greater

Tags

NGSS.HS-PS2-4