Law of gravitation gives the gravitational force between?
The Law of Gravitation and the Gravitational Force
The law of gravitation, formulated by Sir Isaac Newton, describes the gravitational force between two objects. It is a fundamental principle in physics and helps explain the motion and behavior of celestial bodies, as well as objects on Earth. The law of gravitation states that every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
Gravitational Force between Two Objects
The gravitational force between two objects depends on two main factors: the mass of the objects and the distance between them.
1. Mass: The greater the mass of an object, the greater its gravitational force. This means that objects with larger masses exert a stronger gravitational pull on other objects.
2. Distance: The gravitational force between two objects decreases as the distance between them increases. In fact, the force follows an inverse square relationship with distance, meaning that if the distance between two objects doubles, the gravitational force decreases to one-fourth of its original value.
Calculating the Gravitational Force
The equation for the gravitational force between two objects is given by:
F = G * (m1 * m2) / r^2
Where:
- F represents the gravitational force between the two objects.
- G is the gravitational constant, which has a value of approximately 6.67430 × 10^-11 N m^2/kg^2.
- m1 and m2 are the masses of the two objects.
- r is the distance between the centers of the two objects.
Key Points:
- The law of gravitation explains the gravitational force between two objects.
- Gravitational force depends on the mass of the objects and the distance between them.
- The force is directly proportional to the product of the masses and inversely proportional to the square of the distance.
- The equation for gravitational force is F = G * (m1 * m2) / r^2.
- The gravitational constant, G, is a fundamental constant in physics.
- Understanding the law of gravitation is crucial for studying celestial mechanics, planetary motion, and other gravitational phenomena.
Law of gravitation gives the gravitational force between?
Between any two masses
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