Newton's Universal Law of Gravitation

What is Newton's Universal Law of Gravitation?

• Every particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

• Gravity is the force that only affects objects with a large mass.

• Gravity is the force that causes objects to repel each other.

• Gravity is the force that causes objects to fall towards the ground.

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What does the law state about the force of gravity between two objects?

• The force of gravity between two objects is directly proportional to the product of their masses and directly proportional to the square of the distance between their centers.

• The force of gravity between two objects is directly proportional to the sum of their masses and inversely proportional to the distance between their centers.

• The force of gravity between two objects is directly proportional to the square of their masses and inversely proportional to the distance between their centers.

• The force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

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What is the formula for calculating the gravitational force between two objects?

• F = (G * m1 * m2) / r

• F = (G * m1 * m2) / r^3

• F = (G * m1 * m2) / r^2

• F = (G * m1 * m2) * r^2

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What is the inverse square law in relation to Newton's Law of Gravitation?

• The inverse square law states that the force of gravity between two objects is inversely proportional to the square of the distance between their centers.

• The inverse square law states that the force of gravity between two objects is inversely proportional to the cube of the distance between their centers.

• The inverse square law states that the force of gravity between two objects is inversely proportional to the distance between their centers.

• The inverse square law states that the force of gravity between two objects is directly proportional to the square of the distance between their centers.

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How does the distance between two objects affect the gravitational force between them?

• The gravitational force between two objects remains constant regardless of the distance between them.

• The gravitational force between two objects is not affected by the distance between them.

• The gravitational force between two objects decreases as the distance between them increases.

• The gravitational force between two objects increases as the distance between them increases.

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What is the mathematical expression for the inverse square law?

• F = k/r^3

• F = k*r^2

• F = k*r

• F = k/r^2

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

• decreases by a factor of 4

• increases by a factor of 2

• decreases by a factor of 2

• remains the same

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If the mass of one object is doubled while the distance remains the same, how does the gravitational force change?

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What are the units of measurement for the gravitational constant in the formula?

• kg^2/N m^2

• N m^2/kg^2

• N m^2/kg

• m^2/kg^2

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What are some real-life examples that demonstrate the inverse square law?

• The speed of sound in a medium, the force exerted by a magnet on another magnet, and the rate of radioactive decay.

• The intensity of light from a point source, the gravitational force between two objects, and the electric field strength from a point charge.

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