What do you mean by gravitational force with SI unit.
The Correct Answer and Explanation is:
Correct Answer:
Gravitational force is the attractive force that exists between any two masses in the universe due to their mass. The SI unit of gravitational force is the newton (N).
Explanation
Gravitational force is one of the fundamental forces of nature. It is a force that pulls objects toward each other. This force acts between any two objects that have mass, regardless of the distance between them. The more massive the objects, the stronger the gravitational pull they exert on each other. This force is always attractive, meaning it tries to bring the objects closer together.
Sir Isaac Newton first described gravitational force in the 17th century. According to Newton’s Law of Universal Gravitation, every object in the universe attracts every other object 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. The formula for gravitational force is:
F = G * (m₁ * m₂) / r²
Here:
- F is the gravitational force
- G is the gravitational constant (approximately 6.674 × 10⁻¹¹ N·m²/kg²)
- m₁ and m₂ are the masses of the two objects
- r is the distance between the centers of the two masses
The SI unit of force is the newton (N). One newton is the force required to accelerate a mass of one kilogram at a rate of one meter per second squared. In terms of gravitational force, this means if you drop a one-kilogram object near the Earth’s surface, it will experience a gravitational force of about 9.8 newtons, because Earth’s gravity accelerates objects at about 9.8 meters per second squared.
Gravitational force is responsible for keeping the planets in orbit around the sun, the moon around the Earth, and for objects falling to the ground when dropped. It plays a crucial role in the structure and behavior of the universe.
