Gravitational Force: Characteristics and Equation

Gravitational Force

Definition: Gravitational force is a universal force that attracts two objects with mass towards each other.

Characteristics:

• Always attractive, never repulsive
• Depends on the mass of the objects and the distance between them
• Acts along the line joining the centers of the two objects
• Is a vector force, having both magnitude and direction

Gravitational Force Equation:

• F = G * (m1 * m2) / r^2
  • F: gravitational force between the two objects
  • G: gravitational constant (6.67408e-11 N*m^2/kg^2)
  • m1 and m2: masses of the two objects
  • r: distance between the centers of the two objects

Factors Affecting Gravitational Force:

• Mass: Increase in mass of either object increases the gravitational force
• Distance: Increase in distance between objects decreases the gravitational force
• Gravitational constant: A fundamental constant of nature, constant at all points in space and time

Types of Gravitational Forces:

• Gravitational force between two objects: Attracts two objects with mass towards each other
• Gravitational force of the Earth: Attracts objects towards the center of the Earth, responsible for weight and keeping objects on the surface
• Gravitational force in the universe: Responsible for the motion of planets, stars, and galaxies

Gravitational Force

• Gravitational force is a universal force that attracts two objects with mass towards each other.
• It is always attractive, never repulsive.

Characteristics of Gravitational Force

• Depends on the mass of the objects and the distance between them.
• Acts along the line joining the centers of the two objects.
• Is a vector force, having both magnitude and direction.

Gravitational Force Equation

• F = G × (m1 × m2) / r^2, where: • F is the gravitational force between the two objects. • G is the gravitational constant (6.67408e-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.

Factors Affecting Gravitational Force

Mass

• Increase in mass of either object increases the gravitational force.

Distance

• Increase in distance between objects decreases the gravitational force.

Gravitational Constant

• A fundamental constant of nature, constant at all points in space and time.

Types of Gravitational Forces

Gravitational Force Between Two Objects

• Attracts two objects with mass towards each other.

Gravitational Force of the Earth

• Attracts objects towards the center of the Earth, responsible for weight and keeping objects on the surface.

Gravitational Force in the Universe

• Responsible for the motion of planets, stars, and galaxies.