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Flashcards on Gravitational Forces
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What is gravitational force?
The force of attraction between two objects due to their mass.
Who discovered the law of universal gravitation?
Isaac Newton.
What is the formula to calculate the gravitational force between two objects?
F = G * ((m1 * m2) / r^2)
What is the value of the gravitational constant (G)?
6.67430 × 10^-11 Nm^2/kg^2
What happens to the gravitational force between two objects if the mass of one object is doubled?
The gravitational force doubles.
What happens to the gravitational force between two objects if the distance between them is tripled?
The gravitational force decreases by a factor of nine (9).
What units are used to measure gravitational force?
Newton (N)
What is the direction of gravitational force?
Always attractive and along the line joining the centers of two objects.
What is the effect of distance on gravitational force?
Gravitational force decreases with increasing distance.
What factors can affect the strength of gravitational force between two objects?
Mass and distance.
Why do objects near the Earth's surface experience the force of gravity?
Because the Earth has mass.
What is the acceleration due to gravity on Earth?
9.8 m/s^2
What is the relationship between mass and gravitational force?
Gravitational force is directly proportional to the product of the masses of two objects.
What is the relationship between distance and gravitational force?
Gravitational force is inversely proportional to the square of the distance between two objects.
What is the gravitational force experienced by an object on the Earth's surface called?
Weight.
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Test Your Knowledge
What is the formula to calculate the gravitational force between two objects?
F = m1 * m2
F = G * ((m1 * m2) / r^2)
F = m1 + m2
F = G * (m1 + m2)
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What is the value of the gravitational constant (G)?
9.8 m/s^2
6.67430 × 10^-8 Nm^2/kg^2
6.67430 × 10^-11 Nm^2/kg^2
9.8 N
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What is the effect of distance on gravitational force?
Gravitational force increases with increasing distance.
Gravitational force decreases with increasing distance.
Gravitational force remains constant with increasing distance.
Gravitational force becomes zero with increasing distance.
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What is the acceleration due to gravity on Earth?
9.8 N
6.67430 × 10^-11
9.8 km/h
9.8 m/s^2
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What is the relationship between mass and gravitational force?
Gravitational force is inversely proportional to the product of the masses.
Gravitational force is directly proportional to the product of the masses.
Gravitational force is inversely proportional to the sum of the masses.
Gravitational force is directly proportional to the sum of the masses.
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What is the relationship between distance and gravitational force?
Gravitational force is directly proportional to the distance between two objects.
Gravitational force is inversely proportional to the square of the distance between two objects.
Gravitational force is inversely proportional to the distance between two objects.
Gravitational force is directly proportional to the square of the distance between two objects.
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What is the gravitational force experienced by an object on the Earth's surface called?
Mass
Gravity
Weight
Force
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What happens to the gravitational force between two objects if the mass of one object is doubled?
The gravitational force becomes zero.
The gravitational force decreases.
The gravitational force remains constant.
The gravitational force doubles.
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What is the direction of gravitational force?
Repulsive
Attractive
Sideways
Upwards
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Who discovered the law of universal gravitation?
Isaac Newton
Albert Einstein
Stephen Hawking
Galileo Galilei
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