Newton's Law of Gravity

Only large objects with mass have gravity.

• True

• False

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NGSS.HS-PS2-4

What happens to the force of gravity between two objects if the mass of one object increases?

• The force of gravity between them decreases.

• The force of gravity between them stays the same.

• The force of gravity between them increases.

• The force of gravity between them is not affected by mass.

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What is the formula for Newton's Law of Universal Gravitation?

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NGSS.MS-PS2-4

Which of the following best describes Newton's Law of Gravity?

• It describes the force of attraction between two masses.

• It describes the force of repulsion between two charges.

• It describes the motion of objects in a straight line.

• It describes the energy conversion in a closed system.

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NGSS.MS-PS2-4

What does the constant 'G' represent in the formula for gravitational force?

• Gravitational constant

• Acceleration due to gravity

• Mass of the Earth

• Gravitational potential energy

If the distance between two objects is doubled, how does the gravitational force between them change?

• It becomes one-fourth as strong.

• It doubles.

• It remains the same.

• It becomes half as strong.

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NGSS.HS-PS2-4

Which experiment helped to determine the value of the gravitational constant 'G'?

• Cavendish experiment

• Millikan oil drop experiment

• Rutherford gold foil experiment

• Young's double-slit experiment

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NGSS.HS-PS2-4

How does the mass of an object affect the gravitational force it experiences?

• The greater the mass, the greater the gravitational force.

• The greater the mass, the lesser the gravitational force.

• Mass does not affect gravitational force.

• Gravitational force is inversely proportional to mass.

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What is the effect of gravity on objects near the Earth's surface?

• It causes them to accelerate downwards at 9.8 m/s^2.

• It causes them to float.

• It causes them to move in a circular path.

• It has no effect.

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NGSS.5-PS2-1

Which of the following is a real-world application of Newton's Law of Gravity?

• Predicting the orbits of planets

• Generating electricity

• Measuring temperature

• Calculating speed of light

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NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4