Gravitational Field Strength

A field that will apply a force to an object with mass is called a

• gravitational field

• Newton's field

• angular rotation field

• force field

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In this equation...

• G is the gravitational field strength
• r is the distance between the 2 masses
• F is the repulsive gravitational force
• m is the momentum of the mass

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The definition of gravitational field strength is:

• The region of space surrounding a body where other bodies will feel an attractive force due to it.
• The region of space surrounding a body where other bodies will feel an repulsive force due to it.
• The region of space surrounding a charge where other charges will feel an attractive force due to it.
• The region of space surrounding a charge where other charges will feel an repulsive force due to it.

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NGSS.HS-PS2-4

The closer together the gravitational field lines.....

• the weaker the gravitational field strength
• the stronger the gravitational field strength
• the more repulsive the gravitational field strength

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Gravitational field strength is measured in:

• N
• J/kg
• m/s
• N/kg

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NGSS.HS-PS2-4

How far out from a mass should the gravitational field lines go....

• to where the gravitational field becomes negligable
• to twice the diameter of the mass
• infinitely far
• to four times the diameter of the mass

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NGSS.HS-PS2-4

The gravitational field strength of Earth is...

• uniform far away from the surface and radial close to the surface
• uniform close to the surface and radial far away from the surface

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In the formula g=Gm₁/r² what is the relationship between g and r?

• direct relationship

• inverse relationship

• inverse square relationship

• direct square relationship

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NGSS.HS-PS2-4

A geostationary satellite orbits the Earth....

• once every 24 hours
• once every 10-11 hours
• once every week
• once every 4 weeks

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NGSS.HS-ESS1-4

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If an object is placed exactly halfway between Earth and the Moon, it would fall toward the

• Earth.
• Moon.
• neither of these

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NGSS.HS-ESS1-4

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